2 stroke mercury outboard compression chart - How Much Fuel Does a 25-30 HP Mercury Outboard Use? You can expect the fuel consumption of 25-30 HP Mercury outboards to be roughly 2.3-3.0 gph at WOT and 1.1-1.5 gph at 4000 RPM. These motors share the same 500cc, EFI, inline-3 engine, and lower unit, except that the F25 comes with restricted engine power.

 
2 stroke mercury outboard compression chart2 stroke mercury outboard compression chart - Attach the pressure gauge hose to the outlet. Seal the inlet firmly with your thumb. Pump the pressure gauge a few times. Release your thumb. If the pressure releases, it’s a clear sign that the inlet is allowing pressure to escape in either direction and the valves aren’t in proper working condition.

Outboard Motor Mercury 115 Manuam. (31 pages) Outboard Motor Mercury 90-850416009 Brochure & Specs. Mercury marine outboards product brochure (19 pages) Outboard Motor Mercury optimax 115 Installation Manual. (18 pages) Engine Mercury 150 Operation, Maintenance And Installation Manual.MERCURY OUTBOARD APPLICATION CHARTS Diameter Pitch Material Blades LH Rotation RH Rotation Model Application ... Mercury/Mariner 8/9.9 Hp (4‑Stroke) Outboard MERCURY PROPELLER APPLICATION . 9.9 HP Bigfoot Model Year 2005 and newer 9.9HP Pro Kicker 15/20 HP 2008 and newerJason. Marine Mechanic. 24,583 satisfied customers. Yamaha 40 hp 2 stroke runs OK above 5mph; excessive oil. Yamaha 40 hp 2 stroke runs OK above 5mph; excessive oil smoke on starting; rough low speed; new plugs show oil around cylinder threads; … read more.Mercury/MarinerEFI, 90/115 HP Command Thrust, Optimax and Verado Outboards 135-350 HP. 135-350 HP 1978 & Newer and 90/115 Command Thrust 2014 & Newer. 15 Tooth Spline. Note: Use Flo-Torq IV hub kit (#835257K10) to reduce clutch rattle on 90/115 HP Command Thrust (CT), 135-200 HP 4-Cyl Verado and 150 FourStroke.200-300 HP Engine Outboard Comparison. Reset. Filter. Scroll right to see all of the products available. Click on the picture to select the ones you want to compare, then click the green "Filter" to compare. "Reset" to start again. 250+ HP. 200-225 HP. 115-175 HP.The portable series four-stroke Yamaha outboard ranges in horsepower: 25HP, 20HP, and 15HP. ... Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.) Prop Shaft Horsepower: 40hp at 5500rpm: Full Throttle RPM Range: 5000 ~ 6000 rpm: Alternator Output at W.O.T. 17 Amp: Compression Ratio:THE OUTSTANDING, 25 HP PORTABLE. Yamaha's F25 is still the lightest 25-horsepower outboard on the water—two stroke or four stroke. Its portable design and class-leading power-to-weight mean 25 horses can boldly go where they've never gone before. Jons. 14-foot aluminum fishing boats.Summary of Contents for Mercury 40. Page 1 SERVICE MANUAL MODELS 40·50·55·60 With Serial Numbers United States 0G531301 and ABOVE Belgium ..09974454 and ABOVE 1997, Mercury Marine 90-852572R1 JANUARY 1998 Printed in U.S.A. Page 2 This service manual has been written and published the same locations whenever possible.Mercury 150 Hp 2 Stroke. $ 1,675.00. Mercury 150 Hp 2 Stroke with top tier V6 EFI Performance, delivers fast acceleration and smooth, reliable operation. Plus with the added power of 2.5 litre 'big block' engines, you know you have what it takes to move larger vessels with ease. The powerhead design is a slim 60° V6 that is ideal for twin ...Outboard is easier to lift and tilt into shallow drive because we’ve moved heavy components forward; Large alternator and rectifier for superior battery charging* Multi-Function Tiller Handle: Stop Switch, Front Shift, Friction Adjusting Screw and Power Tilt Switch (PTS: on power tilt models only) integrated into the tiller handle for convenience ... Bore x Stroke: …It's clearly still a competitive choice, and it's getting even better. The V6 V MAX SHO now offers 40 percent more charging power, wrapped in a striking, new cowling design. Owner's Manuals. View the 250 hp. Available in 20" & 25" Shaft Lengths. View the 225 hp. Available in 20" Shaft Length. View the 200 hp.View online or download Mercury 25 2-Stroke Owner's Manual. ... Outboard Motor; 25 2-Stroke; Mercury 25 2-Stroke Manuals Manuals and User Guides for Mercury 25 2-Stroke. We have 1 Mercury 25 2-Stroke manual available for free PDF download: Owner's Manual . Mercury 25 2-Stroke Owner's Manual (123 pages) Brand: Mercury ...XL. G303046 - UP. 135. 1996. XL. G303046 - UP. MODEL YEAR CHART FOR MERCURY OUTBOARDS MODELS 115 HP - 150 HP.#1 What is the exceptable compression range for a 1998 90hp Mercury Outboard?<br /><br />Also, this engine has 3 carbs, looking from the port side I noticed …This process could be a quick, inexpensive, non invasive solution to your compression reading low if that's the case. On cylinder to cylinder differences, some use 10%, others 10 psig, others 15%, and others 15 psig for a max deviation cylinder to cylinder for a number. I think the manual for that engine said 10 psig max difference.Normal atmospheric pressure is 14.7 psia at sea level. 9 x 14.7 is 132 psia or 118 psig, the latter being what your compression gauge reads. A compression reading around 200 is something you might see in a diesel engine, but not in a normally-aspirated 4-stroke gas engine designed for 87 octane fuel.Re: 99 115 2-stroke vibrates/runs rough midrange. lugnutz426 said: This Started The End Of Last Season. Shakes And Runs Rough Off Idle And Up Worst At Around 3000 Rpm. Starts And Idles Okay. Will Run 5300 Rpm. Smoother At High Rpm. Prop Good, Carbs Rebuilt, Fuel Pump Rebuilt. 140-145 Compression In All 4.Mercury Marine's 225 OptiMax is a Direct Fuel Injected (DFI) two-stroke. It is red hot. Interesting to note, its genesis was a collaboration between Mercury Racing and Mercury's consumer outboard's division. The wild child is a 3.0 liter V-6 powerhead mated to a Torque Master gearcase, replete with over-sized gears, bearings and special ...Outboard Motor Mercury 200 User Manual. Mercury marine 200/225/250/275 outboard motor (87 pages) Outboard Motor Mercury 135 Optimax Operation And Maintenance Manual. (85 pages) Boat Mercury 200 Optimax DTS Owner's Manual. (83 pages) Outboard Motor Mercury 225 User Manual. 4-stroke (63 pages)2002 Mercury Outboard 150 hp Salt water series 2 stroke engine. Pressure test was performed with hot and cold engine using two different tester kits. One fr...Find your recommended Mercury/Mercruiser marine engine oil and filters here...see charts below. See our Oil & Gear Lube Capacity Charts for proper amounts. 2-STROKE OUTBOARD OIL APPLICATION CHART. OIL. Low HP: 2.5 HP -. 30 HP. Mid HP: 40 HP -. 115 HP. High HP: Above.Evinrude Compression. Force Outboard Compression. Honda Outboard Compression. Johnson Outboard Compression. Mariner Outboard Compression. Mercury Outboard Compression. Nissan Outboard Compression. Suzuki Outboard Compression. Tohatsu Outboard Compression. Re: Compression for 50 HP Merc 4 stroke. Sounds severely overpropped to me, but there isn't enough info to be sure. RPM at top speed is critically important. It should be at or near 6,000rpm and I don't see that happening at 27mph. With a 22" pitch I would expect near 40mph at 6,000rpm. To resolve it, you need a tach on your engine, at least ...For 2-Stroke outboards that require a 50:1 premix of oil/gas we've put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA (National Marine Manufacturer's Assoc.) certified rating of TCW3. Never use automobile motor oil in your 2-stroke outboard!The new V8 4.6L and V6 3.4L Pro XS outboards are engineered to satisfy the most demanding people on the water - tournament anglers looking for every advantage they can squeeze out of their equipment. But you don't have to be a pro to appreciate everything Pro XS has to offer - blistering speed, powerful acceleration, legendary reliability ...The Mercury Black Max 150 is a solid choice when it comes to outboard motors. The black max 150 has been a reliable motor for years for fishing, boating, and other marine activities. The engine is designed to last long and provide reliable service even when you use it every day. The mercury black max 150 is a good motor with plenty of power for ...The 30-plus Yamaha four-stroke outboard engine range kicks off with a 2.5hp portable outboard and tops out with an apex predator, the 425hp V8 XT Offshore 5.6-litre V8 launched late in 2018. The engines come in different performance bands, starting with the 2.5hp to 70hp models, the 115hp to 200hp in-line four-cylinder models, the …Yamaha Marine F40. Yamaha 40 hp is known for its small size but outstanding performance. It has three cylinders that are elegant, light, and powerful which are perfect for a light-duty. This motor is ideal for boats, jons, inflatable, and small pontoons or aluminum fishing boats.The 1:100 ratio of fuel mix is a ratio of one part TCW-3 outboard engine oil to every 100 parts of fuel. This ensures that the crankcase bearings, piston rings and all other moving parts of the engine are properly lubricated for maximum lon...1,615. Nov 29, 2012. #3. Re: 1993 Mercury, 9.9, tiller, 2 stroke compression. A good compression test for the motor is done with the throtal in the WOT position as the cyclenders will get more air to compress and make the readings higher in most cases. The reading you have are fine, if the test was not done as stated, and should run for some ...22 sept 2020 ... 2. Install compression gauge in spark plug hole. 3. Hold throttle plates at W.O.T. 4. Crank engine thru at least 4 compression strokes to obtain ...Learn more about the features and specifications of Mercury outboards in this comprehensive product handbook. Download the PDF and explore the range of models, options and accessories for your boating needs.Suzuki 15 HP DF15AEL5. $4,050.00. $3,140.00. The Suzuki 15 HP outboard motor is a, fuel-efficient four-stroke motor that is ideal for medium to large jon boats, skiffs, and inflatables. The 15 HP outboard engine is a terrific demonstration of Suzuki's engineering expertise, as it's the lightest outboard in its class and one of the quietest 4 ...There is NO serial-to-year cross-reference chart for 1997 and later motors. Mercury has never really used model years for much of anything other than "sales tools" in dealerships. We WILL need your serial number to look up correct parts. Arranged by Horsepower. 4 - 6 HP 7.5 - 9.9 HP 15 - 25 HP 30 - 40 HP (2-CYL) 40 (4-CYL) - 50 HPMessages. 1. Jun 28, 2003. #1. I recentaly took my 25 hp mercury motor in for a tune up. They said my compression was 120 psi and said it needed to be rebuilt. I was wondering if it realy does need to be rebulit or not? Also, what should the compression be?<br />Serial number: 5805206 (not sure on the year)Mercury Outboards. Horsepowers by Year. ... 3.5ML 3.6M 3.6ML 300E 300ELPT 300M 300S 300XLPT 30E 4-Stroke 30E EFI 30E EFI 4-Stroke 30EHO 30EL 4-Stroke 30EL EFI 30EL EFI 4-Stroke 30ELH 4-Stroke 30ELH EFI 30ELH EFI 4-Stroke 30ELHO 30ELO 30ELPT 4-Stroke 30ELPT EFI 30ELPT EFI 4-Stroke 30ELPTO 30EO 30M 30M 4-Stroke 30M Seapro 30M Seapro 2 Cyl. 30ML ...I have a 70 hp 2 stroke outboard w/ 3 cylinders - 2 cylinders read 140 lb. compression. the third is getting little / none lb. compression. Mechanic says it will be a $2000 job to get compression in t … read morebut. 6hp Evinrude = great compression would be >85 to 90psi. Most of the Evinrude/Johnson motors 5.5hp to 6hp from 1950’s to late 1970’s had decent to good compression range from 60psi to 80psi. Then again, most of the motors from that era are found to be running fine with psi ranges from 60psi to 70psi.but. 6hp Evinrude = great compression would be >85 to 90psi. Most of the Evinrude/Johnson motors 5.5hp to 6hp from 1950’s to late 1970’s had decent to good compression range from 60psi to 80psi. Then again, most of the motors from that era are found to be running fine with psi ranges from 60psi to 70psi.PAR Yacht Designer/Builder. Yeah, HP is HP, though a modest weight penalty in 4 strokes, they'll still produce the bollard pull they're rated for. More directly, if you have a 1 ton boat with a 90 HP outboard, it'll run in the 37 MPH range, given a reasonably shaped hull form. The same hull with a 110 HP outboard will get to about 40 MPH.Speaking of quirky measurements like our 110 here, which is actually a 9.8 horsepower. I read the other day that a horse can put out a peak of 15 horsepower and that a person is actually about 1.2 horsepower. There you go. You can bore people at dinner parties with that. This nut actually hits the top here.Page 12 SPECIFICATIONS Propeller Information Charts Mercury/Mariner 4 (4-Stroke) Wide ... GENERAL INFORMATION Compression Check 1. Remove spark plugs. 2. Install compression gauge in spark plug hole. ... 25. Prime the oil pump by pouring approximately 1 fl oz. (30 ml) of engine oil into the oil pump inlet side. 4-Stroke Outboard Oil (92 ...A two-stroke cylinder head only has two parts, so no big deal to go to a v-block and have two cylinder heads instead of one. The old Mercury 125-HP 2+2 has no balance shafts, large displacement, and plenty of vibration. That is why they limit the red line to a very curiously low 5,250-RPM.Outboard Engine DVA CHARTS ... Mercury Yamaha CDI Part # 961-0003 Rev Q 2/8/2012 TECH SUPPORT 1.866.423.4832 CUSTOMER SERVICE 1.800.467.3371 www.cdielectronics.com. All rihts reserved Reroduction or use o content in any manner ithout eress ritten ermission y CDI Electronics Inc is rohiited CDI Part Rev //Headquarters A Mercury 50 HP outboard motor circa 1980 Six cylinder two-stroke engine in 1984. Mercury Marine is a marine engine division of Brunswick Corporation headquartered in Fond du Lac, Wisconsin.The main product line is outboard engines.It also produces the MerCruiser line of sterndrives and inboard engines.Some manufacturing is in Fond du Lac, while 40-60 HP engines are made in China.How to Compression Test on Mercury 2-Stroke Outboard Engine November 17, 2016 2. DOWNLOAD Yamaha Outboard Repair Manual 1982-2011 November 8, 2016 6. 1965-1989 ...Performing tests on ignition components requires that you have the proper equipment to do so. This chart assumes you have the adequate testing equipment to diagnose ignition problems. Understanding this chart: Example: Grn = Green Wht/Grn = White/Green Stripe. "Wire to wire" means take measurement between those colors of wires on the component.The V8 Verado outboards are available in 250- and 300-hp models, and use Mercury's Advanced MidSection to reduce vibration and noise. The Verado takes its name from the famous L6 supercharged engine it replaces, but it is not supercharged and because of its large displacement, light weight and transient spark ignition, it doesn't need to be. . Nevertheless, it is Mercury's premium engine ...Suzuki 15 HP DF15AEL5. $4,050.00. $3,140.00. The Suzuki 15 HP outboard motor is a, fuel-efficient four-stroke motor that is ideal for medium to large jon boats, skiffs, and inflatables. The 15 HP outboard engine is a terrific demonstration of Suzuki's engineering expertise, as it's the lightest outboard in its class and one of the quietest 4 ...#1 What is the exceptable compression range for a 1998 90hp Mercury Outboard?<br /><br />Also, this engine has 3 carbs, looking from the port side I noticed …Apr 22, 2015 · gboy99. So maybe I have too much time on my hands but I was looking at the service book of my 2011 Mercury 75Hp 2 stroke outboard and I noticed the last compression reading (taken last week) for cylinder 3 was 130psi. From new it was 140psi. Below are the readings taken during scheduled services since new. Compression builds up quickly and evenly, to the specified compression for each cylinder. Piston Rings Leaking. Compression is low, on the first stroke. Consequently, compression builds up with the following strokes, but does not reach normal. And, your compression improves considerably, when you add oil. Valves LeakingThe WOT test is done in three simple steps: 1. Find out your outboard or sterndrive's WOT rating. 2. Run your boat at WOT. 3. Replace the propeller with a higher or lower pitch prop. To get the most accurate result from the WOT RPM test, there are a few things you need to do to ensure the data from the wide open throttle test is as precise as ...I have been told that Mercury doesn't publish compression numbers. I know that the factory service manual doesn't mention numbers. At least I cannot find them, the manual is disorganized somewhat. The Seloc book give a few random numbers that are not set in stone and the lowest is a 4/5 HP at 90 psi. Most are around 120.CMC Marine. 5. Get a Jack Plate for Your Outboard Engine. To get the most out of your outboards, Schoenbohm recommends mounting them on a jack plate such as those made by CMC Marine (cmcmarineproducts.com), Bob's Machine Shop (bobsmachine.com) or T-H Marine (thmarine.com). Expect to pay about $1,000 for a hydraulic unit.MODEL YEAR CHART FOR MERCURY OUTBOARDS MODELS 30 - 40 HP (2-CYL) Wondering "Where-'n-'Ell" to get great parts for your outboard? ... TRACKER by MERCURY DECALS : 4-S: 4 STROKE : BEL : BELGIAN-MADE for US MARKET: C/R: COUNTER ROTATION : HP: YEAR: MODEL TYPE * US SERIAL # NUMBER RANGE : CANADA …"Tom, the cough or sneeze is m "Tom, the cough or sneeze is most likely only a minor adjustment on the carb. I have a 91, 15 horse - over 1500 hours on it (don't use it as much as my pair of 9.9's, basically the same motor as the 15, that have over 2000 hours each), but have had "zero" trouble with any of them (the 9.9's are 86 and 87 models respectively).Check to make sure that the shifter is not in forward or reverse. 4. Fuel Problems. If the engine turns over or cranks like it always has, then chances are you are looking at a fuel problem. Always start troubleshooting with the simplest items first. Check the fuel system step by step, from the tank to the motor.With the release of its magnificent new Mercury 75 to 115hp 2.1lt four-stroke outboards last year, industry giant Mercury said: "Unthink everything you know about four-strokes." This new range followed the release of the industry-leading Mercury 150 hp FourStroke back in 2013, and now its 135hp sibling.Its running a 2003 40hp Merc 2 stroke - I immediately had the carbs cleaned out after buying because it wouldnt stay idle without stalling. I've been out 6-7 times, and have ran about 24 gallons of fuel though it, most of it has been trolling. Yesterday, at full power, while making the first run of the day, the engine revved down to 4k, and ...70 hp 1999-2003 5200-5800 2.42 mercury® ®optimax rpm chart ... mercury 4-stroke rpm chart hp/model years wot rpm gear ratio 8 hp 1995-2004 4500-5500 2.00 The 30-plus Yamaha four-stroke outboard engine range kicks off with a 2.5hp portable outboard and tops out with an apex predator, the 425hp V8 XT Offshore 5.6-litre V8 launched late in 2018. The engines come in different performance bands, starting with the 2.5hp to 70hp models, the 115hp to 200hp in-line four-cylinder models, the 200hp to ...Outboard Motors. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. ... Bore and stroke: 68 x 59; Trim positions: 5; Oil Injection: Pre-mix; See All Specs. Find a Dealer Today. 15hp, 15hp Super. ... Mercury’s industry-leading anti-corrosion protection provides ease of mind and …NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. This Chart Is For Reference Only, Since Many Aftermarket Parts Manufacturers DO List Parts By Year A "0" in front of the serial number is not significant, it's a placeholder only for Mercury's software. So if your serial number is "0 1234567" you would use only CMC Marine. 5. Get a Jack Plate for Your Outboard Engine. To get the most out of your outboards, Schoenbohm recommends mounting them on a jack plate such as those made by CMC Marine (cmcmarineproducts.com), Bob's Machine Shop (bobsmachine.com) or T-H Marine (thmarine.com). Expect to pay about $1,000 for a hydraulic unit.Outboard Motor Mercury 115 Manuam. (31 pages) Outboard Motor Mercury 90-850416009 Brochure & Specs. Mercury marine outboards product brochure (19 pages) Outboard Motor Mercury optimax 115 Installation Manual. (18 pages) Engine Mercury 150 Operation, Maintenance And Installation Manual.INCLUDES: TANK & LINE. 1999-2002 Manual Covers: Mercury Outboard 30HP, 40HP (4-Stroke) - Non-Bigfoot & Bigfoot Engine-Motor (Four-Stroke) starting with serial number 0G760300 and above. Kiekhaefer Mercury Outboard Motors, … Mercury outboard compression chart Mercury Mariner Models 135 150 175 200 Service Manual Original MercuryTo begin the ignition setting sequence, the mechanic should remove the spark plug as this will make it easier to turn the engine over for piston positioning. Next, the crankshaft must be rotated to give the largest opening of the contact points — typically around TDC. With the points open at their widest, the mechanic should set the required gap.Re: What is good compression for a 9.9? I have a 1989 15hp Evinrude, same powerhead as 9.9, with about 600 hours on it. Shortly after a thorough decarb, it has 104 psi on the top cylinder, and 106-107 psi on the bottom cylinder, when taken on a warm engine. The calibration of the gauge was verified within a couple of weeks before the reading ...Mercury Outboards. Horsepowers by Year. ... 3.5ML 3.6M 3.6ML 300E 300ELPT 300M 300S 300XLPT 30E 4-Stroke 30E EFI 30E EFI 4-Stroke 30EHO 30EL 4-Stroke 30EL EFI 30EL EFI 4-Stroke 30ELH 4-Stroke 30ELH EFI 30ELH EFI 4-Stroke 30ELHO 30ELO 30ELPT 4-Stroke 30ELPT EFI 30ELPT EFI 4-Stroke 30ELPTO 30EO 30M 30M 4 …Set the throttle wide open and then pull the pull cord six or seven times to test the compression. Next, check the gauge on the compression tester. NOTE: Johnson's specs are for the engine's compression to be between 85 and 90 PSI, so this cylinder passes. Step 6. Remove the adapter from the spark plug opening and replace the spark plug. Step 7.Mercury Precision 4-Stroke oils feature a blend of high-quality base stocks and additives formulated specifically for use in most four-stroke outboard, sterndrive and inboard marine engines. This oil is engineered to perform well in legacy engines as well as the latest catalyst-equipped engines. Synthetic Blend 4-Stroke (25W-40) Outboard Oil is ...A two-stroke cylinder head only has two parts, so no big deal to go to a v-block and have two cylinder heads instead of one. The old Mercury 125-HP 2+2 has no balance shafts, large displacement, and plenty of vibration. That is why they limit the red line to a very curiously low 5,250-RPM. Increasing Compression On A Two-Stroke Outboard. Generally, two-stroke outboard motors should have a 100 up to 120 PSI compression per cylinder. But this is just a rough estimate since you …DOWNLOAD Mercury Outboard Repair Manual 1963-2009 Models. A downloadable Mercury outboard repair manual, also known as a service manual, is a book of instructions consisting of product specifications, maintenance procedures, troubleshooting guide, and step-by-step directions to fix the outboard motor back to working order.Kiekhaefer Mercury Outboard Motors, "K" Models 1940-1952. Model. Designation. Horse-power. Serial Number Range. Year. K1Oil CapaCiTy CharTS www.sierramarine.com gEar lubE CapaCiTy CharT - JOhNSON / EviNrudE / OMC ENgiNES MOdEl yEar CapaCiTy (Oz) Evinrude-Johnson Outboards 1.5 1968-70 1 2 1971-85 2 Colt/Junior 1986-91 2 2.0, 2.3, 3.3 1991-Thru 3 2.5 1987-88 3 3 1952-72 3 3 1990-Thru 3 4 (8110) 1969-82 4 4 (90) 1973-Thru 3 Ultra 4, Exel 4 1987-91 3 4 …XL. G303046 - UP. 135. 1996. XL. G303046 - UP. MODEL YEAR CHART FOR MERCURY OUTBOARDS MODELS 115 HP - 150 HP.The portable series four-stroke Yamaha outboard ranges in horsepower: 25HP, 20HP, and 15HP. ... Bore x Stroke: 65 x 75mm (2.56 x 2.95 in.) Prop Shaft Horsepower: 40hp at 5500rpm: Full Throttle RPM Range: 5000 ~ 6000 rpm: Alternator Output at W.O.T. 17 Amp: Compression Ratio:You can find your Mercury outboard serial number and model number on an ID tag on the mounting bracket, or in some cases on an engine block freeze plug. ... See below for a Model Number Description Guide and Serial Number to Year chart. Mercury Outboard Model Code Model Code Engine Features; CXL: Extra long shaft (25"/635mm) driveshaft …gboy99. So maybe I have too much time on my hands but I was looking at the service book of my 2011 Mercury 75Hp 2 stroke outboard and I noticed the last compression reading (taken last week) for cylinder 3 was 130psi. From new it was 140psi. Below are the readings taken during scheduled services since new.Mercury 200 EFI Service Manual (631 pages) Electronic Fuel Injection, Brand: Mercury | Category: Engine | Size: 17.85 MB. Table of Contents. 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Performance data you can trust from Mercury Marine. ... 2.5 - 60hp MerCruiser ... Racing Outboard 300R 400R .... New construction homes in ma under dollar500k

2 stroke mercury outboard compression chartpond bog filter diagram

If it is running good give it a good decarb and do the compression test again. Get a can of seafoam spray and bring it up to operating temp and at a high idle spray the seafoam in the carbs evenly until it starts smoking real good and quickly shut it down. Wait 1/2 an hour and then start it and run WOT for about 20 minutes.Hey everybody, I'm looking at buying a used boat with a 1998 or 1999 125 hp MERCURY carbureted 2-stroke 4 cylinder outboard that I believe has the '2+2 feature' ( where it only runs on two cylinders at low idle). The seller has had the engine professionally maintained for years and has had a...Select Mercury Outboard Motors Models Below. A leading name in marine engines, Mercury is recognized for producing top-quality outboard motors as well as the MerCruiser line of inboard engines. Founded in 1939 by the talented engineer-businessman Carl Kiekhaefer, the Mercury brand of boating engines are found as factory equipment with many ...The 1.8L I-4 F115 horsepower In-Line Four Yamaha outboard is a mid-range four-stroke outboard that is perfect for your family boat and watersports towing. Find a Dealer; Have a Dealer Contact Me; Blue Life Community; Events; ... Compression Ratio: 10.0:1: Fuel Induction System: EFI:Outboard Motor Mercury 200 User Manual. Mercury marine 200/225/250/275 outboard motor (87 pages) Outboard Motor Mercury 135 Optimax Operation And Maintenance Manual. (85 pages) Boat Mercury 200 Optimax DTS Owner's Manual. (83 pages) Outboard Motor Mercury 225 User Manual. 4-stroke (63 pages)Nov 11, 2009. #1. I am looking at buying a merc outboard - 1997 250 hp EFI with an hour meter showing 178 hours. Compression check shows 100,105,100,110,105,100. What should this motor have for compression with these low hours, or am I being scammed and the motor really has 500 or more hours???Fuel System Issues. One of the most common ways your Yamaha outboard motor will break down is a fuel system failure. Whether you're experiencing an intermittent bog down, poor performance, or complete engine failure, your fuel system is a common culprit. Ethanol gasoline: Only use premium low-ethanol gasoline for your Yamaha outboard motor.I have a 1991 Mercury Black Max 135 hp V-6 2- Stroke outboard. Under 2500 RPM, it is "missing" a little. Above that, it runs perfect. Motor has low hours and compression is good. Several mechanics tha … read moreDetermining RPM's. For safety and efficient performance, it is critical that your engine operates within the RPM range recommended by the manufacturer. Save up to 70% on stainless & aluminum boat propellers for your 25 HP Mercury Outboard 2-Stroke, 1980 - 2005. Quality props from Michigan Wheel, Solas, Turning Point, Stiletto, Quicksilver.A Mercury SmartCraft System instrument package can be purchased for this outboard. A few of the functions the instrument package will display are engine RPM, coolant temperature, battery voltage, fuel consumption and engine operating hours.There is NO serial-to-year cross-reference chart for 1997 and later motors. Mercury has never really used model years for much of anything other than "sales tools" in dealerships. We WILL need your serial number to look up correct parts. Arranged by Horsepower. 4 - 6 HP 7.5 - 9.9 HP 15 - 25 HP 30 - 40 HP (2-CYL) 40 (4-CYL) - 50 HPHey everybody, I'm looking at buying a used boat with a 1998 or 1999 125 hp MERCURY carbureted 2-stroke 4 cylinder outboard that I believe has the '2+2 feature' ( where it only runs on two cylinders at low idle). The seller has had the engine professionally maintained for years and has had a recent tune-up and provides a documented clean bill of health with all four cylinder's compression ...1985 Mercury 115 HP. 115ELPT. This 1985, 115 hp Mercury is made for saltwater. This outboard engine weighs approximately 312 pounds. It has 6 cylinders. The pistons have a 99.8 displacement. The bore width is 2.87" and the stroke length is 2.56". This model has a electric starter and power steering. Serial Number: 6630171.These motors do not have any consistent year-to-serial scheme. Mercury ceased publishing this information after the 1996 model year. There is no way to find the model year of motors with significantly higher. serial numbers than listed in these guides. There is NO serial-to-year cross-reference chart for 1997 and later motors.THRU 1996. Mercury did not publish model year information for 1997 & newer outboards. The year is now normally noted on the serial number sticker. NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. This Chart Is For. Reference Only, Since Many Aftermarket Parts Manufacturers DO List Parts By Year. A "0" in front of the serial number is ...1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual Original 1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual. Starting Model Year 1986 Serial Number 0A197112 and Up (USA) Serial Number 09503295 and Up (Belgium) Manual is fully indexed and searchable with hi-resolution images and diagrams. Mercury publication: 90-827242R02Let’s break down what each does to the longevity of a motor so you can know how long yours has, or which motor you want for future reference. On average, an outboard motor will run about 1,500 hours or 7 to 8 years. Each outboard motor will be different but if you keep up maintenance and take care of the motor it can last much longer. NGK Spark Plugs. Power Tune Internal Engine Cleaner. $ 8.05. Mercury Storage Seal Fogging Oil. $ 7.00. For most applications, the spark plugs come pre-gapped, but it is advisable to re-check gap to make sure that plugs were not damaged during manufacturing or shipment. While removing the old spark plugs, keep track of which plugs come from ...530 (240) | 496 (225) | 507 (230) | 541 (245) | 533 (242)Let’s break down what each does to the longevity of a motor so you can know how long yours has, or which motor you want for future reference. On average, an outboard motor will run about 1,500 hours or 7 to 8 years. Each outboard motor will be different but if you keep up maintenance and take care of the motor it can last much longer.A 40 hp Mercury outboard, serial number 6052990, would be a 1982 year model. What is the weight of a 1990 40 hp 2 stroke four cylinder mercury? A 1990 Model, 40 hp Mercury outboard, has a dry ...1989 and newer 2.4 & 2.5 - 2.5 260 (10) Note: Temperatures for Merc. outboards should be in the 140-160 degree range. Gearcase interchange. All 2 liter, 2.4 liter, and 2.5 liter gearcases interchange. They won't interchange onto a 3 liter or the old 3.4 liter, both of which are unique to their size engine. (4)Leak down test are only viable options on 4 stroke engines and compression test are no longer even recommend on 4 Stroke Outboards by Yamaha or Mercury. A compression test is still the best test for a 2-Stroke engine and should be performed before any repair service is done on a 2 stroke engine.90ELPTO. This 90 horsepower Mercury outboard, manufactured in 2000, is a saltwater model. The engine weight is recorded at 305 lbs. This is a 3 cylinder model. The displacement for the pistons is 84.6. The bore for this outboard is 3.5 inches and the stroke is 2.93 inches. This engine has power steering and a electric-type starter.For 2-Stroke outboards that require a 50:1 premix of oil/gas we've put together the following chart to simplify the calculations. Use ONLY 2-stroke outboard motor oil with an NMMA (National Marine Manufacturer's Assoc.) certified rating of TCW3. Never use automobile motor oil in your 2-stroke outboard!In the 25-60hp lineup, the 25 is the only motor to have the mercosil block that I'm aware of. Mercury did use Nikasil, Mercosil and chrome linings in some of their big v6 engines in an attempt to reduce internal friction and increase power output. I'd rather be fishing. 02-07-2014, 08:22 AM #28.Outboard Motor Mercury 40 Service Manual. (547 pages) Outboard Motor Mercury 25 EFI FourStroke User Manual. (161 pages) Outboard Motor Mercury 25 4-Stroke User Manual. 25 4-stroke (72 pages) Outboard Motor Mercury 40 TwoStroke Operation, Maintenance And Installation Manual. (139 pages)I-4 Four Strokes. Digital: 200 hp, 150 hp Mechanical 200 hp, 150 hp. There's a good reason why the legendary Yamaha F150 has enjoyed over a decade of unrivaled popularity. Powerful, light, nimble and compact, boaters know that its proven reliability is unmatched for everything from pontoons to flats boats to deep-V hulls.Page 12 SPECIFICATIONS Propeller Information Charts Mercury/Mariner 4 (4-Stroke) Wide ... GENERAL INFORMATION Compression Check 1. Remove spark plugs. 2. Install compression gauge in spark plug hole. ... 25. Prime the oil pump by pouring approximately 1 fl oz. (30 ml) of engine oil into the oil pump inlet side. 4-Stroke Outboard Oil (92 ...May 1, 2016 · I have been told that Mercury doesn't publish compression numbers. I know that the factory service manual doesn't mention numbers. At least I cannot find them, the manual is disorganized somewhat. The Seloc book give a few random numbers that are not set in stone and the lowest is a 4/5 HP at 90 psi. Most are around 120. The Mercury 50 hp outboard motor is a 4-cylinder motor with an inline configuration. The motor's gear ratio is 2.3:1. Only three gears are available on this outboard motor -- forward, neutral and reverse. The Mercury 50 hp outboard is capable of producing 5,500 to 6,000 rpm.An outboard motor in this range is an excellent option for propelling a boat carrying a light load and two people at 9.5 to 17.5 mph (15 - 28 km/h). 15 to 25 HP engine Although powerful, these 16.5 to 23.5 pounds (36 - 52 kg) heavy 4-stroke outboard engines are still in a small outboard HP class. They are an excellent choice for:In the early 1900s, Waterman was the first company to release a gasoline - powered outboard engine, a two - stroke called the Porto - Motor. While earlier outboard engines were clumsy and boasted as much as three horsepower, the 1920s saw the first high - powered design come from companies like ELTO and Atwater Lockwood.1987 1993 Mercury Mariner Outboard 2 Stroke 70 75 80 90 100 115 Hp Motors Service Repair Manual Pdf Preview Highly Detailed Fsm Perfect For The Diy ... 2. Install compression gauge in spark plug ...Feb 17, 2016 · This process could be a quick, inexpensive, non invasive solution to your compression reading low if that's the case. On cylinder to cylinder differences, some use 10%, others 10 psig, others 15%, and others 15 psig for a max deviation cylinder to cylinder for a number. I think the manual for that engine said 10 psig max difference. Place your engine’s throttle in the neutral position. 4. May sure the key is not in the ignition. 5. Using your torque wrench with a spark plug socket, carefully remove each plug. 6. NGK spark plugs come pre-gapped. If you would like to check the gap, you can do so with a gap gauge.We have 2 Mercury 15 TwoStroke manuals available for free PDF download: Operation, Maintenance & Installation Manual Mercury 15 TwoStroke Operation, Maintenance & Installation Manual (108 pages) Brand: Mercury | Category: Outboard Motor | Size: 3.41 MBFor two-cycle handheld equipment manufactured prior to 2003: Use a 32:1 gasoline to oil ratio. One gallon of gasoline combined with 4 oz of two-cycle engine oil. If you are in the state of California, use a 2-cycle oil mix ratio of 40:1. For two-cycle handheld equipment manufactured after 2002: Use a 40:1 two-cycle oil mix ratio.It is a 2002 75hp Mercury 2 stroke ELPTO. It had no battery on this boat I just bought,,,, so I figured since I have another pontoon boat,,, I bought a new extra battery (1000 MCA) figuring it is good to have an extra battery for my currently running boat if this motor is bad. It labored cranking, the new battery was fully charged though.Normal atmospheric pressure is 14.7 psia at sea level. 9 x 14.7 is 132 psia or 118 psig, the latter being what your compression gauge reads. A compression reading around 200 is something you might see in a diesel engine, but not in a normally-aspirated 4-stroke gas engine designed for 87 octane fuel.SUZUKI MANUALS. The service manual downloads for the above listed Yamaha, Mercury, MerCrusier Mariner, Suzuki & Johnson/Evenrude models describes the service procedures for the complete inboard, outboard, jet drive or stern drive. Follow the Maintenance Schedule recommendations to ensure that the engine/jet drive/sterndrive is in peak operating ...MERCURY OUTBOARD APPLICATION CHARTS Diameter Pitch Material Blades LH Rotation RH Rotation Model Application ... Mercury/Mariner 8/9.9 Hp (4‑Stroke) Outboard MERCURY PROPELLER APPLICATION . 9.9 HP Bigfoot Model Year 2005 and newer 9.9HP Pro Kicker 15/20 HP 2008 and newerPremium Plus 2-Cycle Outboard Oil. Specifically formulated with a higher concentration marine additive package to meet the needs of: High-horsepower outboard including direct fuel-injected engines in extreme marine operating conditions. - Far exceeds Mercury in-house test standards, which are more stringent than the industry's TC-W3 standard.Find your recommended Mercury/Mercruiser marine engine oil and filters here...see charts below. See our Oil & Gear Lube Capacity Charts for proper amounts. 2-STROKE OUTBOARD OIL APPLICATION CHART. OIL. Low HP: 2.5 HP -. 30 HP. Mid HP: 40 HP -. 115 HP. High HP: Above.Oct 31, 2006 · Nov 1, 2006. #5. Re: Mercury 20 HP Compression. Compressions should be higher than that. aprox 120-140. Unfortunatly if the bore is scored may as well use it as a artifitial reef. These engines have a chrome bore. Precision engine rebuild will be the likely cost effective repair. Embrace Possibility. Mercury FourStroke outboard motors are incredibly powerful and efficient, and they feature a wide range of applications. Crafted for less weight and high displacement, they generate abundant torque and immediate power. And because they don't have to work as hard as heavier engines or those with lower displacement, they make boats plane faster and accelerate better, and ...The Mercury Racing 250R delivers unrivaled performance for lightweight, single-engine sport, bass and bay boats. The 250R outboard has the muscle to lift a heavy tournament boat out of the hole plus the deep-breathing power and high-performance components required to reach outrageous speeds, with confidence. Run with the Mercury Racing 250R on ...Held to a Higher Standard. There are plenty of good reasons these outboards rule the water. Start with no-worry reliability. More low-end torque for excellent acceleration. Increased fuel economy and outstanding overall performance. Enhanced fuel injection (EFI models) for boosted efficiency. A robust electrical system with a high-output alternator to keep batteries charged and fishing ...Data on the Mercury 2-stroke range has been retained on this page as a reference source: this reflects 2006 production, after the withdrawal of carburetted V-6 models. ... These ultra-smooth three-cylinder outboards with big-capacity 967cc powerheads will provide you with even better acceleration and higher top speed to take you wherever you ...The ultimate in flexibility and functionality. All key engine functions. Right there in front of you. Multi-color LCD screen provides you with critical data on dozens of engine and boat functions. Temperature, depth, alarms, rpm, speed, water pressure, fuel flow, and much more. Perfect for a wide range of boats, both outboard and sterndrive ...This process could be a quick, inexpensive, non invasive solution to your compression reading low if that's the case. On cylinder to cylinder differences, some use 10%, others 10 psig, others 15%, and others 15 psig for a max deviation cylinder to cylinder for a number. I think the manual for that engine said 10 psig max difference.Optimax Pro XS 250 HP. HP/kW 250 / 184. Full throttle RPM 5500-6000. Cylinder Configuration V-6. Displacement (L) 3.0. Fuel Induction System 2-Stage Direct Fuel Injection (DFI) Alternator Amp 60 amp / 756 watt (Belt-Driven) Gearcase Ratio 1.75:1. Steering Big Tiller Compatible.#1 What is the exceptable compression range for a 1998 90hp Mercury Outboard?<br /><br />Also, this engine has 3 carbs, looking from the port side I noticed …Mercury High Performance Gear Lube Kit 92-858064K01. $29.63 $31.19. Mercury Marine 150 HP EFI Four Stroke Outboard FC-W 10W-30 Oil Change Kit. $72.65 $76.47. Mercury 75-115 2.1L Complete 100 Hour Service Maintenance Kit 10W-30 - 8M0097854. $98.50 $103.68. Mercury Marine 200 225 250 275 300 350 & 400R HP Verado Four Stroke Outboard FC-W 25W-40 ...HYDRAULIC SYSTEM TROUBLESHOOTING CONDITION OF TRIM SYSTEM PROBLEM Trim motor runs;... View and Download Mercury 225 EFI service manual online. 3.0 Litre Work, Electronic Fuel Injection. 225 EFI engine pdf manual download. Also for: 250 efi, 3 liter work 225 efi, 3 liter work 250 efi.Mercury Manuals; Outboard Motor; 9.9 TwoStroke; Mercury 9.9 TwoStroke Manuals Manuals and User Guides for Mercury 9.9 TwoStroke. We have 2 Mercury 9.9 TwoStroke manuals available for free PDF download: Operation, Maintenance & Installation Manual ... Mercury 9.9 Bigfoot 4-Stroke ; Mercury 9.9 Command Thrust ...This process could be a quick, inexpensive, non invasive solution to your compression reading low if that's the case. On cylinder to cylinder differences, some use 10%, others 10 psig, others 15%, and others 15 psig for a max deviation cylinder to cylinder for a number. I think the manual for that engine said 10 psig max difference.#1 What is the exceptable compression range for a 1998 90hp Mercury Outboard?<br /><br />Also, this engine has 3 carbs, looking from the port side I noticed …1995 Mercury 115 HP OB what is good compression? I&#146;m concidering buying a older boat it has a Merc.115HP OB The seller has stated that the engine was serviced in 2011 I&#146;m unsure of what was done? Engine please provide tips to check it&#146;s condition like 1.what is good compression? 2.how will I know if the waterpumps impeller is ...Summary of Contents for Mercury 6. Page 1 6/8/9.9/10/15 Starting Model Year 1986 Serial Number 0A197112 and Up (USA) 09503295 and Up (Belgium) Page 2 Hazards or unsafe practices which could result in minor personal injury or product or property damage. Notice to Users of This Manual This service manual has been written and published by the ...Outboard Motors. We offer the most-complete line of outboard power, for fishing boats and speed boats, for pontoons and tenders, for work and for play. Mercury Outboards – Durable. Reliable. Powerful. Sterndrives & Inboards. We build Mercury MerCruiser® Sterndrive engines and drives to power your life on the water. Our engines are …Embrace Possibility. Mercury FourStroke outboard motors are incredibly powerful and efficient, and they feature a wide range of applications. Crafted for less weight and high displacement, they generate abundant torque and immediate power. And because they don’t have to work as hard as heavier engines or those with lower displacement, they make …Compression builds up quickly and evenly, to the specified compression for each cylinder. Piston Rings Leaking. Compression is low, on the first stroke. Consequently, compression builds up with the following strokes, but does not reach normal. And, your compression improves considerably, when you add oil. Valves Leaking1995 Mercury 225 HP offshore outboardr unning and compression testIt is a 2002 75hp Mercury 2 stroke ELPTO. It had no battery on this boat I just bought,,,, so I figured since I have another pontoon boat,,, I bought a new extra battery (1000 MCA) figuring it is good to have an extra battery for my currently running boat if this motor is bad. It labored cranking, the new battery was fully charged though.6 Cast Aluminum (Use with GM Engine Code 4XY) 7 Flat Head. 8 Forged Aluminum, Recessed Head. 9 Starboard. 10 Port. 11 .010 (.25 mm) Oversize. 12 No longer available – order from Seaway (800) 332-0803. Find standard & oversize pistons for your Mercruiser stern drive using the application chart from the Mercury Quicksilver catalog. Mercury 25 2-Stroke Owner's Manual (123 pages) Brand: Mercury | Category: Engine | Size: 3.48 MB. Table of Contents. Table of Contents. 5. Transfer of Warranty. 9. Transfer of Mercury Product Protection (Extended Service Coverage) Plan. 9. 40ELPTO. This 40 horsepower Mercury outboard, manufactured in 1997, is a saltwater model. The engine weight is recorded at 177 lbs. This is a 4 cylinder model. The displacement for the pistons is 43.9. The bore for this outboard is 2.56 inches and the stroke is 2.13 inches. This engine has power steering and a electric-type starter.Lookup Mercury Marine outboard motor parts by engine model and buy discount parts and accessories from our large online inventory. Go. important_devices: Order online, get free downloads* ... 5 HP (2-Stroke) 5 HP (4-Stroke) 60 60J 6 HP 6 HP (2 Cylinder) (2-Stroke) (International) 6 HP (2 Cylinder) (International) 6 HP (4-Stroke) 7.5 HP 75 ...Outboard Motor Mercury 9.9 BigFoot Manual. (153 pages) Outboard Motor Mercury 6 Service Manual. (149 pages) Outboard Motor Mercury 8 User Manual. 4-stroke (126 pages) Outboard Motor Mercury 9.9 Operation And Maintenance Manual. (94 pages) Outboard Motor Mercury 9.9 Operation And Maintenance Manual.MODEL YEAR CHART FOR MERCURY OUTBOARDS MODELS 115 HP - 150 HP : Wondering "Where-'n-'Ell" ... Mercury did not publish model year information for 1997 & newer outboards. ... TRACKER by MERCURY DECALS : 4-S: 4 STROKE : BEL : BELGIAN-MADE for US MARKET: C/R: COUNTER ROTATION : HP: YEAR: MODEL …but. 6hp Evinrude = great compression would be >85 to 90psi. Most of the Evinrude/Johnson motors 5.5hp to 6hp from 1950's to late 1970's had decent to good compression range from 60psi to 80psi. Then again, most of the motors from that era are found to be running fine with psi ranges from 60psi to 70psi.Understanding the types of outboard motors available is the first step in making sure you select the proper motor for your boat. Yamaha offers two main types of outboard motors: two-stroke and four-stroke. Two-stroke motors are smaller and more lightweight than four-strokes, making them ideal for smaller boats that don't require a lot of power.Step 6 - 2 Stroke Plug Chop. All the previous tests just examined the spark plug exterior surface. But to confirm fully about your spark plug, you can do a chop test. To do that, you need to chop the exterior gasket of the 2-stroke spark plug. Take a sharp knife or hacksaw to cut the exterior surface carefully.How to Read Outboard Compression Test Results. Check the service manual on your outboard for the precise specifications. Remember that if your engine is cold, the results will be slightly lower. Good results for a two-stroke engine are between 110 and 130 PSI. For a four-stroke, good results are between 180 to 210 PSI.What should the PSI be on an outboard compression test? Results vary depending on whether the outboard is a Four-Stroke or a Two-Stroke. Good results for Four-Strokes should be 180-210 PSI, and Two-Strokes should be around 110-130 PSI. Here is everything that you need to know about outboard compression tests. How to do them and what the results ...THRU 1996. Mercury did not publish model year information for 1997 & newer outboards. The year is now normally noted on the serial number sticker. NOTE: Mercury DOES NOT Use Model Years For Parts Lookup. This Chart Is For. Reference Only, Since Many Aftermarket Parts Manufacturers DO List Parts By Year. A "0" in front of the serial number is ...We sell all types of outboard motors ranging from new to old, 1hp-300hp, and 2 or 4 stroke. We have been on the internet since early 2001 and have sold over 3000 + outboard motors. We thank all of our past customers for their business and trust in AFA Marine, INC. Short Shaft, Tiller, Manual Start, Runs Perfect, 40lbs. 2 cylinder outboard.#1 Hello all, I have a new-to-me 2004 25 hp 2 stroke Mercury engine that seems to start and run well. During a cold engine compression test, the cylinders both hit exactly the same at 100lbs. My question is: What should the compression number be? This engine is very clean with very minimal use.1995 Mercury 225 HP offshore outboardr unning and compression test. 600 dpi converter, Crossword studies weekly answer key, Albia iowa obituaries, Craigslist sunnyvale ca, Overgeared chapter 148, Myochsner password, Www.cox.net webmail, Myappswholefoods, Craigslist free stuff wichita ks.