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.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 ...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!I'm looking for a manual for a 4 HP 2-stroke Mercury outboard from 1981. It's Belgian made, two cylinder, serial # 9321742, although Mercury advised that I'd need to put a zero before the serial number (so, 09321742). I believe it's model 4200 (or 1004200). Thanks, Steve #46. branden crowell (Saturday, 20 June 2020 05:42)Your engine may require different steps depending on factors such as whether it's a two- or four-stroke, has fuel injection, has computers onboard, is hand cranked or has a starter motor, and how its ignition can be disabled. These variations and other issues mentioned below will bear on your ability to do this yourself. Jason. Marine Mechanic. 24,583 satisfied customers. I have a 60 hp mercury 2 stroke outboard (2004). motor runs. I have a 60 hp mercury 2 stroke outboard (2004). motor runs fine in gear at 2800 rpm, but at any rpm above that motor will shut down. If it is not in gear … read more.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.Hi I have a 1999 Merc 2 Stroke 9.9HP that was under river water for 7 days. It was not running when it went under. ... Mercury & Mariner Outboards . Poor Compression 9.9HP Merc 2 Stroke. Thread starter Luv_Fishin; Start date Aug 25, 2010; L. Luv_Fishin Recruit ... Poor Compression 9.9HP Merc 2 Stroke Ahoy, Rick.If your outboard engine doesn't start, run rough or without much of a power, do the compression test on all the cylinders. Low pressure cylinder indicates wo...Thinking of buying a boat that has a 2006 optimmax 115hp. What should a good compression numner be? Apparently not used much as it only has 280 hours on it. Anything specifcally I should look for other than compression? They run around 100psi. As long as all 3 cylinders are quite close you should be good.Mercury EFI TwoStroke deliver 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-rig installations. Propshaft Rated Horsepower. 200hp (149kw)MERCURY Outboard 2.5-HP Thru 150-HP PRICES: 2023- PY. Prices Include: 3-Year Mercury Marine Warranty, Plus Additional 2-Year MPP Gold Warranty; Total 5-Year Warranty, Pre-Delivery Inspection & 1st Hour of Engine Break-in and Grow Boating Fee. Per Mercury Marine Policy, we can NOT Ship Outboard Engines OVER 25-HP.On a 2 stroke engine, a compression check is sufficient. Steps to performing a compression check: Obtain a compression gauge. As earlier stated, you can purchase a compression gauge at most any auto parts store for about 30 dollars, give or take. They're not expensive and you don't need the best one on the market. Remove all spark plugs.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.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 ...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.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 Mercury Outboard …Oil 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 Deluxe 1986 ...2005 Mercury 40 HP. 40ELPTO. This 2005, 40 hp Mercury is made for saltwater. This outboard engine weighs approximately 176 pounds. It has 2 cylinders. The pistons have a 39.3 displacement. The bore width is 2.99" and the stroke length is 2.80". This model has a electric starter and power steering. RPM Information: 4500-5500.Hi All, I have an 6 hp mercury 2 cylinder 2 stroke. serial number 09573702. Motor was bought with the note that it would not run on low rpm. Tested is, cleaned out the carb and no avail. Compression test gave 90 psi on both banks ( pretty low in my opinion), spark is good. In order to check for scoring in the cylinder i pulled the exhaust ...V6 4.2 Liter. Digital: 300 hp, 250 hp Mechanical: 300 hp, 250 hp, 225 hp. Yamaha's award-winning V6 4.2-liter outboards have been offshore favorites for more than a decade. Initially, boaters were attracted to their power, efficiency and intelligent design. After years of proven performance, our V6 4.2-liters have become known for something ...Mar 22, 2010 · Even in racing two-strokes, cylinder compression is rarely much above 7:1. Try removing one spark plug at a time, then turning the engine over. You should be able to feel any large disparity in compression between the two cylinders. If there's a spark and fuel, it should run -- or, at least, show some signs of trying. and available from Mercury Marine through there outboard motor dealers. MERCURY MARINE (A division of Brunswick Corporation) Global Headquarters W6250 Pioneer Road P.O.Box 1939 Fond du Lac, WI 54936-1939, USA. Toll Free: 1-8 Telephone: 920-929-5040 Cellphone: Fax Line: Website: mercurymarine.com ^ Contact Form: Email: From mercurymarine.com.110 PSI is really close to the compression spec. Each cylinder should be no more than +/- 10%. The cylinder with the 85 PSI reading sounds like it may need a top end rebuild (Rings). -Goosewa. "The true hunter counts his achievement in proportion to the effort involved and the fairness of the sport." -Saxton Pope.Outboard 4-stroke Crankcase Capacity & Filter Charts ... CAPACITY CHARTS Outboard Crankcase Capacity Charts HONDA ... 25 / 30 2 qt 1.8 L 9-57804 MERCURY Model Year Notes Oil Capacity Std. Oil Capacity Metric Canister Filter 4/5 2005-up — 15.4 Oz 455 ml N/AEverything Else /. Mercury Oil Filters. Find genuine OEM Mercury/Quicksilver oil filters for your sterndrive, inboard or outboard engine here. If you are trying to find the correct filter, use our serial number lookup at the top of this page (Search by Serial Number). Click here for convenient 4 Stroke Outboard Oil Change Kits.Jan 20, 2010. #11. Re: 1985 Mercury 115hp 6cyl 2 stroke - Intermittant compression. These engines love to burn pistons. There is an "idle stabilizer" that controls timing that is linked to coil #3. If this unit fails, it can cause mis-timing on your 3rd cylinder and poof, bad piston.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)The high-power four stroke models F250, F225 and F200 are masterpieces of Yamaha outboard technology. Skip to Main Contents. Outboards Home; News; Japanese Site; Select Region; Top; Products. Products Top; Four Stroke. 450-375ps. 300-250ps. 250-200ps. 200-115ps. 100-75ps. 70-2.5ps. Two Stroke ...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.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 ...MODEL YEAR CHART. 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. Most 2 stroke engine carburetors have an access plug or drain plug in the bowl on the bottom of them. Remove this plug (you may have to loosen the carb and tilt it to access this, or even remove the carb from the machine in some cases). Let the fuel drain out and then open the fuel valve ie. "turn on the gas" for a few seconds, it should run ...Mercury's proven TwoStroke engines deliver easy starting, gutsy performance, and great all-round reliability. Across the range you'll find an array of features that help keep your boating experiences more enjoyable and trouble-free. Features such as largest engine capacity displacement, giving you more low-end thrust, advanced carburettor ...Evidence of rust or water on the spark plugs could also be an indication of a blown head gasket. compression test. Here's how to do a compression test on your …Sep 22, 2003. Messages. 28,751. Aug 21, 2008. #3. Re: Mercury outboard fuel consumption. Put the pencil away, forget the formula, and put a decimal point one position to the left of the last number in the horsepower rating. 40 HP = 4.0 gallons per hour at wide open throttle.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. Replace the plugs and let it sit for a few days. Start the motor to burn it off then re-do the compression test. That might free up the rings and get you some compression. Option 2: Get a 1 gallon jug, mix a gallon of gas/oil to ratio in the jug. Pour a enitre can of Seafoam in there.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.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.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 ...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.Jason. Marine Mechanic. 24,583 satisfied customers. I have a 60 hp mercury 2 stroke outboard (2004). motor runs. I have a 60 hp mercury 2 stroke outboard (2004). motor runs fine in gear at 2800 rpm, but at any rpm above that motor will shut down. If it is not in gear … read more.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.The Mercury Marine serial number 0B308972 refers to a 60 horsepower, three-cylinder outboard motor manufactured in 1988. The motor’s model number is 1060312BD, and its catalog number is 16404.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 moreI love my Mercury 4 stroke EFI, nice and quiet and don't have to mess with a choke. I'm betting your manual says your motor is designed to be used with fuel with 10% ethonol. Jeremy. Participant. Richland County, WI. Posts: 653. May 1, 2020 at 1:36 pm #1939180.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 ...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 2.00With 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.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.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...2.5-20 HP (Portable): 85-333cc. 25-115 HP (Midrange): 500-2065cc. 150-600 HP (High-Performance): 2999-7554cc. If you want to find out more about the engine capacity, architecture, and specifications of Mercury outboards, this post is for you. We at PowerSportsGuide have compiled all you need to know under one roof!Jul 6, 2012. #1. Helping a friend with his 2009 Mercury/Tohatsu 4 stroke. Will not run.I looked at the carb It is clean and clear. Great spark. 55 # of compression. I ran a bunch of tests and found out it must have some sort of compression release that is not working right. This is doing a lot of guessing. I put a leak down test on it.Taking a Reading with a Compression Gauge. Holding Throttle Wide Open. After the engine has run and is at normal operating temperature, insert the compression tester into the spark plug hole in any of the cylinders. When you are ready to begin the test, hold the throttle wide open.114lbs Good Condition, 20" Long Shaft, Tiller Model, Manual Start. Two Stroke. This is a great running 25hp Mercury long shaft outboard motor with compression of around 125psi even. This 25 hp Mercury is a 2-stroke and has a manual start. This is a very desirable motor as it is the 2 stroke 114lbs model. We have fully boat tested this engine ...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 ...Sep 22, 2003. Messages. 28,751. Aug 21, 2008. #3. Re: Mercury outboard fuel consumption. Put the pencil away, forget the formula, and put a decimal point one position to the left of the last number in the horsepower rating. 40 HP = 4.0 gallons per hour at wide open throttle.Re: 1999 Mercury 115 two stroke - 200 hrs. - Any opionons. MercGuy said: All 4 cylinders are moving all the time. During slow RPMs when 3 & 4 aren't firing, enough fuel & oil mix is pulled through the high speed jet to provide lubrication, but not enough to fire. It's a very, very simple system, with nothing to go wrong.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.Written by ppguide Boat Outboard. As a rule of thumb, the weight of outboard motors ranges from 22 pounds up to 1260 pounds. The average weight within each outboard category is as follows: Portable (2.3-20 HP): 29-130 pounds. Midrange (25-100 HP): 130-400 pounds. High-performance (115-600+ HP): 370-1260 pounds.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 TYPE *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 ...Serial Range. Large selection of quality mercruiser parts, marine engines, marine parts, boats parts and accessories, such as Mercuiser engines, exhaust, motors, and other boating supplies and accessories. Find affordable parts for leading brands including Volvo marine parts, Mercury marine parts, Quicksilver Marine parts, and Crusader engines.12 jun 2023 ... The chart provides a reference point for the compression for each cylinder based on the model and year of the outboard motor. ... Step 2: Remove ...Re: 1980 Mercury Outboard, 50HP 2-stroke, low compression, help! Thank you for your help, it is much appreciated. I will remove the exhaust manifold plates and inspect the piston and rings. Replacing that gasket set is a good idea anyways. I already have the powerhead removed.The TwoStroke line includes the highest displacement engines in their horsepower classifications, plus they give outstanding power to weight ratios for best performance at all speeds. Running Quality Electric CDI ignition delivers high voltage for quick, sure starts and added fuel efficiency.Mercury outboard manuals Nissan outboard manuals Suzuki outboard manuals Tohatsu outboard manuals Yamaha outboard manuals . Inboard & Sterndrive Engine Manuals ... What should the compression be on a 25 hp mariner 1991. Thread starter SAM9993; Start date Aug 21, 2011; S. SAM9993 New member. Aug 21, 2011Advertisement You can understand a two-stroke engine by watching each part of the cycle. Start with the point where the spark plug fires. Fuel and air in the cylinder have been compressed, and when the spark plug fires the mixture ignites. ...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 mean for you! What Is A Compression Test?Seloc workshop manual for maintenance, repair and overhaul of Mercury / Mariner 2-stroke outboard motors from the years 1990-2000, including jet drives. Versions: 1-6 cylinders, 2.5-275 hp, with carburettor and injection. This Seloc Repair Manual for Mercury and Mariner outboard motors describes extensively work on the engine and the tail section.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 ...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 MercuryOn a 2 stroke engine, a compression check is sufficient. Steps to performing a compression check: Obtain a compression gauge. As earlier stated, you can purchase a compression gauge at most any auto parts store for about 30 dollars, give or take. They're not expensive and you don't need the best one on the market. Remove all spark plugs.Premium 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.Excessive Coolant Exiting the Overflow Tube. While it is common for coolant to exit the overflow tube when the bike has been tipped over or when it has overheated, it should not occur regularly. Coolant blowing out the overflow tube is another good indicator of a leaking head gasket. Note where your coolant overflow line runs, so you can keep ...Re: MERCURY 115 HP INLINE 6 CYLINDER COMPRESSION test readings, opinions please. Compression test need to be done with the throtal in the WOT position and the motor should be turned over 3 to 4 times on each cylender. From the readings posted at 3 revs everything looks good as they are all lest that 10 percent overall diffrence.Solas and Rubex Charts for Mercury Outboards. Purchase: Find Solas Dealers. Select from these Mercury outboards to open detailed Solas propeller charts. All blade types, all possibilities, traditional pressed or modular rubber hubs. ... 60HP 2 Stroke Sea Pro Bigfoot (15 Spline) 1995 - Present: 65HP Model 650 1972 - 1976: 65HP Model 650 Up to 1971: …Mercury 2.5 TwoStroke Operation, Maintenance And Installation Manual (115 pages) Brand: Mercury | Category: Outboard Motor | Size: 3.91 MB. Table of Contents. Boater's Responsibilities. 11. High‑Speed and High‑Performance Boat Operation. 12. Remote Steering Notice. 13.All Mercury outboard engines either have an identification tag or an instruction plate that contains the serial number. The ID tag is located on either side of the swivel bracket (or transom bracket), and the instruction plate is located between the thumb screws above the steering tube. If the tag or plate has been lost or damaged to the point ...E-TEC Direct Injection with stratified low RPM combustion mode. Alternator Output. 133 Amps Total / 50 Net Dedicated. Steering. Remote (Tiller accessory) Trim Method. Trac-1 Power Trim and Tilt. Shaft Length - in (mm) 20 (508)May 27, 2012. #2. Re: Root cause of Mercury 2-strokes' rough idle. Rough idle is a subjective statement. If all is normal, 2-stroke idle is acceptable. Sometimes near as good as a 4-stroke. Many things can affect idle quality. Probably too many to mention. The one that we fear the most is uneven compression.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 ...Disconnect the Mercury Outboard switch and reset, if the engine fires, replace the Mercury Outboard switch. Check the voltage on the red and white Ignition wires at the CD Unit. If the voltage is less than 9 1/2 volts during cranking there is a problem in the battery s or the Ignition switch Box.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...Performance data you can trust from Mercury Marine. Refine Refine Results () Results per page ... 2.5 - 60hp MerCruiser 200hp ... Racing Outboard 300R 400R ...per cylinder powerhead and a 10.2:1 compression ratio. In addition, the engine incorporates Variable Valve Timing (175 and 200 HP models), Multi-stage Induction, and a 32-bit ... stroke outboards has long been utilized to reduce the size of the outboard. Found on all Suzuki four-strokes from the DF70A andI'm looking to purchase a new boat with a 2002 2, Normally your Tohatsu outboard uses a 50:1 oil/fuel mixture (500 mL of oil for every 2, THE OUTSTANDING, 25 HP PORTABLE. Yamaha's F25 is still, Re: 2002 Mercury 150Hp xr6 Compression and overall reliability of outboard From Mercury Service manual COMPRESSION All, Compression makes power. Higher compression means a better seal at the rings and less power loss. Less compressio, I-4 Four Strokes. Digital: 200 hp, 150 hp Mechanical 200 hp, 150 hp. There's a good r, Inlines are before my era of expertise,have worked on them but not near a, Determining RPM's. For safety and efficient performance, it, How Much Fuel Does a 25-30 HP Mercury Outboard Use? You can exp, How to Read Outboard Compression Test Results. Check th, Lookup Mercury Marine outboard motor parts by engine model and b, 22 sept 2020 ... 2. Install compression gauge in spark plug hole. 3. , May 27, 2012. #2. Re: Root cause of Mercury 2-strokes' ro, HERE. SELECT YOUR YEAR AND MODEL OUTBOARD ENGINE BELOW. 1984-, Mercury Outboard Compression Nissan Outboard Compression Suzuki Outbo, bigjohn1. posted 03-18-2005 08:31 AM ET (US) Two dealers have t, 25 HP Johnson Outboards. 25 HP Evinrude Outboards. 25 HP Mer, Propeller Information Charts. 10. Mercury/Mariner 40 H.