2 Stroke Outboard Engine Smoking Excessively

These oils produce great results in both recreational and work equipment. Also, it's more difficult to start ---- 3-4 cranks versus one when I did not have this problem. Simply put is the 2 stroke engine emits smoke because it burns the oil that is mixed with the petrol to lubricate the upper part of the cylinder (Piston rings). As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. Blue smoke trailing from motor when I start it, much more prevalent than before. You are eligible for a full refund if no ShippingPass-eligible orders have been placed. Combustion Enhancer – Decarbonizer – Kills Diesel Fuel Bug outright. 1) with the tps connected but off the throttle body assembly the motor revs just fine, maybe because mine is constantly at 2. Those of us who have grown up in the Japanese two-stroke. About Outboard Manuals - Motor Repair Need a Repair? We Carry Outboard Repair Manuals. Heres the thing. Quicksilver Synthetic Blend 4-Stroke Outboard Oil, SAE 25W-40 Safety Data Sheet according to Regulation (EC) No. electronic fuel injected, 2-stroke outboard motor this engine is in very good condition for it's age, with good even compression. Reasons for Low Compression in All Cylinders. Being my first year with an outboard, and a 2 stroke at that, what I do notice is it uses a lot more gas that my 4. This is the first 2-stroke motor I have ever owned and I am looking for advice from the experts here on how to best take care of it and extend its lifespan. Evening chaps, Why would Stihl 2 stroke machines throw out loads of smoke ? I v'e followed the user guide and added a 5o:1 mix of stihls own oil on both a chainsaw and a hedge trimmer and i'm getting gassed. Hard starting 2 stroke need help! Hey guys, i've got an old Eager Beaver by McCulloch 2 Stroke whipper snipper engine. During break in with 2% two stroke oil in the gasoline + autolube,, The first 10 hours,,,2% two stroke oil. Four Stroke Engines burn oil at start up mainly because of oil left in the cylinders or all the time with an oil leak. excessive smoke during idling. The most common problem with both two- and four-stroke engines begin with the fuel system. Stopped at a couple islands along the way, for lunch and a swim, motoring at wake speed with little or no smoke. LIT-18616-02-71. Since the two stroke engine fires on every revolution of the crankshaft, a two stroke engine is usually more powerful than a four stroke engine of equivalent size. The manufacturers of the generic oils will tell you that their oils are safe for your 2 or 4 stroke outboard motor. Workshop Manuals & Owner's Service Repair Manuals for Johnson & Evinrude Outboard Marine Engines For 2-Stroke, 4-Stroke Motors From 2-300 HP. In last month's article we discussed the basic differences in how two and four stroke outboards operate and some of the common perceptions of each of these motors. Mercury Racing Verado 400r For Sale. To maintain an outboard motor, flush out the engine after every use, and check to make sure the water flow exiting the motor has a strong output. How to Clean Johnson Outboard Carburetors eHow It will smoke excessively while it burns through the residual Seafoam. By "reading" the color of the plug you can tell a lot of things about how the engine is running. A multi-national Japanese conglomerate founded in 1955, Yamaha Motor Company produces a plethora of vehicles including cruiser motorcycles, street motorcycles, ATVs, off-road motorcycles, scooters, snowmobiles, side x side UTVs, personal water crafts, speed boats, and outboard motors. to reduce smoke many use synthetic or racing 2 stroke oil, I personally use synthetic poulan brand in my moped and you see little smoke and I've switched back and forth between 20:1 and 32:1. Summary: What should I buy, a 4-Stroke or a 2-Stroke? Well that really depends on your boating situation. Conventional oil is refined from crude oil. New Tohatsu 3. So you should check your plug often. ☒ Outboard engine ☒ Petrol ☒ 4 stroke RCD ‑H‑2 Rev 4 150 HP 4‑stroke (3. So, your outboard won't start. Hey all, Just a question for any small engine experts out there. All 2-smokes do that. Mercury 60 HP 2-Stroke Outboard service manuals are available for immediate download. With gauges inserted (using Tee fittings) and some clear hose, it is then just a matter of operating the motor at maximum fuel flow (wide open throttle) and note the readings. Therefore, the high EGT serves to heat the pipe more and the gases themselves become a much better source of re-ignition. Well guess what, back in the 60's and 70's you had hundreds of thousands of johnson/evenrude outboards out there that ran endlessly with little to no maintenance, including decarbs, and they. This is my very first outboard/boat, so Im not sure what to expect. Simply use the filters on the left to narrow your search. While there were a few differences, most outboards burned gas according to the following formula: Gas consumption per hour= horsepower/10 A 40 hp motor would burn 4 gallons per hour. add a comment +1 vote! + 2. 1956-1989 90-300 HP Mercury Outboard motors repair manual Application: Covers all Mercury Motors from 1965 to 1989 90-300 hp Inline 6 and V6, 2 stroke models fuel injection and MR Drive: 90 95 100 115 125 135 140 150 150XR2/150 HP 155 HP 175 HP 200 HP 220XRi/200 HP 225 HP 275 HP 300 HP 850XS/90 HP, 4cyl 900/90hp, 6cyl 950/95hp, 6cyl 1000/100hp. Eg an 800cc 2 stroke is more equivalent to a 1600cc 4 stroke. The manual says to have a 50:1 ratio to break it in, and I have followed the instructions closely for the first tank of gas. Service Repair Manual Application: 2004, 2005, 2006 Yamaha Marine Outboard 115HP (115-HP) 4-Stroke Engines. Yamalube LUB-2STRK-M1-02 2M Outboard TC-W3 2-Stroke Engine Oil. Crankshaft runout excessive. Model name F115AET LF115AET, USA and Canada name F115TR LF115TR. After running at idle for some time the smoke diminishes some but not completely. excessive smoke during idling. So it was a natural progression to simply reprogram -- aka "de-tune" -- the engine’s onboard computer to stop its maximum output at 135-hp. Working of 2 stroke engine ! Working of 4 stroke engine ! Difference between 4 stroke & 2 stroke engine !. Two Stroke Engines burn oil all of the time. I'd have the engine looked at soon before you ruin it. Applications – Injector Oil or Premix. I've torn down outboards, chainsaws, and other 2 stroke equipment that had been run for decades on conventional oil and if the owners used good fuel AND didn't overmix the oil, the engines look great. Ran engine at about 4000-4500 RPM's, and it didn't miss a stroke, just runs great, and remarkably smooth. But whatever it is, listening to it fire up and watching it blow smoke out of that nest of expansion pipes is glorious. Rarely does an exceptional vessel like this Wavepiercer become available for this value. 5-litre 4-stroke V6 with a pair of 12-valve SOHC heads boasting - for the first time in a marine application - variable valve timing and lift. Examining Today's Two Stroke Engines. Synthetic 2-stroke premix oil and 2-stroke injector oil for dirt-bikes, snowmobile, outboard motor premix/injector, or jet-ski (PWC), weed-whacker, motorcycle, or chainsaw. Primary gear worn or chipped. I have a 2004 Yamaha 90HP (four stroke) with about 40 hours on it and, fortunately, it starts very easily. If it's a 4 stroke, check the dipstick for too much oil. i have a 1988-89ish mercury 70 OB motor. Why is ethanol added to gas. Here is list that may help you decide which motor is appropriate for you. Stopped at a couple islands along the way, for lunch and a swim, motoring at wake speed with little or no smoke. If you have an outboard motor and need an engine repair manual or service manual, you're in the right place - iboats. For certain older outboard motors, most often the cause is due to an incorrect gasoline/oil ratio if the engine uses premixes. Applications - Injector Oil or Premix. I have an EZGO golf cart with a Robin 2-stroke motor. In order to meet the diverse and demanding needs of these devoted customers, Yamaha offers a selection of over 50 2-stroke model variations and over 20 Enduro models. The picture under that name is 4 stroke for sure. With modern engines, either two- or four-stroke, there should be no reason to see smoke from the exhaust. Evinrude direct injection outboard engines deliver superior power and performance, lower total reportable emissions, and better fuel economy than leading four-stroke engines Bombardier Recreational Products introduces the full line of Evinrude® outboard engines available for 2003. Also, it's more difficult to start ---- 3-4 cranks versus one when I did not have this problem. If you are a proud two-stroke outboard owner and ever wondered how to winterize your engine for the off season, here's your chance to learn how to do it. I had heard something about 4-stroke outboard's being ruined if left laying down for any long period of time. Do not use NMMA TC-W, TC-W2 or TC-W3 outboard motor oils or other ashless type 2-stroke oil. There will be a ton of residual oil built up in your engine and exhaust from running the 32:1 mix, so it may take severall weeks to minimise the smoking. I ran out of Yamalube so I tried Pennzoil synthetic outboard oil and found that the smoke did decrease. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. If the reading is lower than this, have a mechanic investigate further. YAMAHA 150 HP 2-STROKE 150 HP Model: 150HP Engine Type 150 HP 2-STROKE Yamaha two-stroke outboards are renowned for long service lives. This helped cut the smoking down. All of the engines work great. Fuel and Oil Pump Fuel Pressure Gauge Fuel Filter Fuel Vacuum Gauge Clear Fuel Line Carburetors Fuel in. Yamalube 2 Stroke Motor Oil (Semi-Synthetic - Low Smoke) - 1L Quicksilver Premium 2 stroke Outboard Engine Oil 4. I had been using Yamalube as thats what came with the motor. The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée. The lack of a dedicated lubrication system means that the parts of a two-stroke engine wear a lot faster. 25 To 70 Hp(outboard motors) Outboards Marine Engine Johnson/Evinrude 2Stroke 2-Stroke Two Stroke & 4Stroke 4-Stroke. Small leaks can cause oil to accumulate on the undersides of the engine, while larger ones may produce a drip of oil from the front of the engine. As this instructable shows, two strokes can have catastrophic failures if run too lean and will not run if too rich. XD50™ – FOR USE IN EVINRUDE E-TEC, EVINRUDE DIRECT INJECTION, OIL INJECTED, AND CARBURETED 2-CYCLE OUTBOARDS. both start, idle, and run fine. Marine turbo chargers, love them or hate them they are here to stay. BUT one, a small 3hp (or so) snowblower, smokes a lot with it. Download: $12. Owners wanting to. Looking for an outboard motor? We have all the big names with great warranties. I am now using synthetic blend in my EFI's, and I hardly get any blue smoke at all on start up. The Ugly Truth About Rolling Coal : Black Smoke Often times we get questions about why someone's well running diesel truck isn't "rollin' coal" or making black smoke. LIT-18616-02-72 Service Repair Manual Application: 2004-2005 Yamaha Marine Outboard 130HP & 115HP (115C 130C) 2-Stroke Engines. Refill the oil to the proper level & change the oil filter if applicable. Deep discount pricing for all OEM Evinrude outboard parts at Boats. This helped cut the smoking down. Curing 2-cycle Engine Problems: Many 2-cycle engines have problems and are sent to the junk yard before their time. This INSTANT DOWNLOAD 175 horsepower Mercury, Mariner, Yamaha, Suzuki, Johnson and Evinrude outboard engine repair manual was designed for do-it-yourself mechanics and factory trained technicians. However, new technologies, increases in fuel prices, concern over greenhouse issues and a marketing. Find a Suzuki outboard motor sales or service dealer – Boating Made Better!. One of the best “general” information articles about current two stroke oils is at the link below. Fishing motors prior to 1955 commonly used a 16:1 ratio. Did not smoke the second day. 2-strokes on boat. Evinrude Johnson XD50 2 Cycle Outboard Oil. It didn't go away completly but it was definatly better. to reduce smoke many use synthetic or racing 2 stroke oil, I personally use synthetic poulan brand in my moped and you see little smoke and I've switched back and forth between 20:1 and 32:1. It circulates through the engine to keep it cool and prevent wear by acting as a lubricant. It has that unpleasant two stroke odor when idling. Among the growing lineup of Yamaha outboards, the 2-stroke models with their simpler engine structure continue to have a strong customer following. The Clymer online manual is excellent for viewing on tablets such as the iPad. Unlike conventional oils, this is biodegradeable so it won't pollute the water and meets all warranty requirements of all outboard motor manufacturers. As with its twin cylinder 50 counterpart, released in 1971, both engines had a massive 2. The heat is kept within the combustion chamber, and as the pressure drops during the power stroke, the superheated gasses cool. Honda Engines offers a variety of small 4-stroke engines for lawn mowers, pressure washers, generators, go karts, and a wide variety of other equipment. 2 Stroke Engine Troubleshooting - Air. 6 liter V8 used as an outboard boat motor. Johnson and Evinrude carbureted 2-stroke outboards since 1964 require a 50:1 fuel to oil mixture (2%) on engines without an automatic oiling system - 6 gallons of gas to 1 pint of outboard oil. Fishing motors prior to 1955 commonly used a 16:1 ratio. I've seen many engines that have been nicely painted, detailed, and look better than new, only to appear totally worn out when they're started up. He cleaned it out and put it back on, it started on first try and ran great for 15mins in a barrel again (I was there). INCREASED OR high oil consumption in the engine is a common case and that is why gains our attention. Typically just a visual inspection of the air filter and carburetor area is all it takes. AMSOIL HP Marine 2-Stroke Oil prevents rust, an important feature where motors are subjected to water. The four strokes of a wet sump diesel engine are shown below with exhaust outlet marked (out), air inlet (in), piston (L), con rod (M) and crankshaft (N). Maintain peak engine performance and reliability Reduce smoke. See our Advisor on that topic for the details. The auto winterization feature fogs the engines itself in minutes, with no trip to the dealer. This is generally steam caused by condensation. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 200 HP outboard motor to factory specifications. 800cc 4 stroke; 800cc 2 stroke (at nearly twice the 4 stroke). service manual for a 2000 mercury 9. All Parsun outboards are water cooled; running your outboard without an adequate source of cooling water will result in severe damage to your outboard! Smaller Horsepower Outboard (2hp through 6hp): For our 4-stroke models 2hp-6hp and our 5hp 2-stroke models you can use the optional flushing plug. Carbon is the main reason, many engines blow. Unless it is way over full because the dip stick is not at the right height, or as moonlighter said, something is not right, drain the oil and make sure the right amount is in the engine and the right oil. 0L) hp OP401000 or 2 FourStroke Outboard Limited Warranty United States and. During 2007 I bought a new Yamaha 4hp four stroke outboard with integral fuel tank for my Hawk. This time give the engine light loads at relatively low rpm and stay out of top gear. 2) Warm up the engine and note the vacuum reading at idle. If you have sufficient outboard motor knowledge and experience, you can service the Parsun outboard by yourself. An outboard marine engine repair manual is a book of instructions, or handbook, for learning how to maintain, service and overhaul the 200 HP outboard motor to factory specifications. 0001" at the cylinder diameter the ring is manufactured for. I personally wouldn't own a 4 stroke, they came into existence only to meet environmental rules, but the new Evinrude direct injected 2 strokes are cleaner and better. A normal reading should be between 60 psi (pounds per square inch) and 90 psi. And Why Should You Care? Because the longevity of your small engine relies on mixing fuel in the proper proportion. If the engine exhaust emission appears normal, no further troubleshooting is required. You should also completely fill the oil tank (for oil-injected 2-stroke engines) so that water won’t condense inside the tank and contaminate the oil supply. My V4 90 HP Johnson 2-stroke, (oil injected), seems to me to be excessively smoking? This is not a new symptom, as has been this was since I purchased last year. How to Compression Test on Mercury 2-Stroke Outboard Engine November 17, 2016 Repair Manual Do-It-Yourself Outboard Repair Guides 2 Its highly recommended to always use a outboard repair manual for your specific year and model outboard engine when preforming a cylinder compression test on your motor. Re: Smokey old outboard Excesive smoke from a 2 stroke can often be a symptom of worn and leaking crankcase seals - never quite worked out why - and new seals are not always easy to fit. Forum Main Tech Help/Race Shop Excessive smoke on 2 stroke? Excessive smoke on 2 stroke? Related: Edit Tags Also, dead engine start = cold engine temps = more. Common outboard searches:Service Manual, Repair Manual, Outboard Engine Repair, Shop Manual, Workshop Manual, Specs, Specifications, Diagrams, Exploded View, Egnine Wont Start, Engine Cranks but wont turn over, Engine starts but then shut off, engine bogs during engine overheats or is overheating fast acceleration, engine hesitates during. Decarbing 2 Stroke vs 4 Stroke Motors. Overview: There are quite a few differences in the operation of 2-stroke engines compared to 4-stroke engines (which were covered on the Basic Small Engine Repair page). The causes of white exhaust smoke can vary; however, it is common to see white exhaust smoke when first starting a car, especially on cooler days. But 32:1 with yamalube is going to make excessive smoke because I use 32:1 yamalube when i break in my bike (i run 5 gallons or 2 1/2 bike tanks) and it smokes like a bitch. While most drivers may never need to change their oil pump, it is important to know the symptoms in case you are experiencing problems with your vehicle. AMSOIL has synthetic 2 stroke pre-mix oil and 2 stroke injector oil for your sled, boat, PWC, and lawn equipment. Injection oil pumps. 4 gen­ erally are not combustible on the time scales available in reciprocating engines. Designed for use in both petrol and diesel engines. 2-stroke lots of smoke You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. "Air" is usually never the problem. 2004 Suzuki Outboard DF4 DF5 DF6 ( 4 HP 5 HP 6 HP) Four Stroke 2005 Suzuki Outboard DF4 DF5 DF6 ( 4 HP 5 HP 6 HP) Four Stroke The service manual download for the above listed Suzuki Outboard models describes the service procedures for the complete outboard. ) “Conventional” motors/engines manufactured before 2006 are exempt from the new emission standards. A normal reading should be between 60 psi (pounds per square inch) and 90 psi. Fail-ure to correctly install the outboard could re-sult in serious injury, death or property damage. The previous owner was using an off brand of oil, I am wondering if using Yamalube might help with the odors. Mercury Racing Verado 400r For Sale. When first started in water the motor smoked some but stopped after some acceleration and use. Consult your Yamaha dealer for details on installing an optional Rectifier Regulator. The Mariner 30 is probably a Yamaha, a very good motor. In order for an engine to start running, the carburetor must have a supply of fuel. Visually inspect exhaust for excessive white smoke. 1973-1990 Evinrude Johnson Outboard Service Manual 2-40 hp. We purchased 5 Yamaha F15SMHA four stroke outboard motors for our 5 brand new Zodiac 420's. For practical purposes I suggest your efforts might be better focused on educating a fishing, water ski, or jet ski forum. Mobil 2 Stroke Oil combines a blend of high quality mineral and synthesised high performance baseoils with an advanced additive system to provide excellent engine cleanliness and no-smoke. I tried adjusting the fuel mixture. Advanced Hydrodynamics: The gearcases of Mercury FourStroke outboards are designed to reduce drag and deliver stable, high-speed performance. 5-litre 4-stroke V6 with a pair of 12-valve SOHC heads boasting - for the first time in a marine application - variable valve timing and lift. White smoke may mean that water has entered one or more of the outboard's cylinders -- which can cause the engine to suffer. Updated: March 27, 2019. I think depending on the manufacturer the ratio of gas/oil varies from 20:1 to 50:1. Unlike conventional oils, this is biodegradeable so it won't pollute the water and meets all warranty requirements of all outboard motor manufacturers. Or, you may remove the air box and spray fogging oil through the carburettor/s throat(s) while running the engine just before you shut it down. There are 7,240 2 stroke outboard motor suppliers, mainly located in Asia. Each 175hp engine repair manual covers every aspect of repair. This, coupled with their lighter, simpler construction, makes the two stroke engine popular in chainsaws, line trimmers, outboard motors, snowmobiles, jet-skis, light motorcycles. 2 shows how engine power and fuel consumption depend on equivalence ratio over the range commonly used in internal combustion engines. Here is your cold start procedure. of white smoke came out of the front of the car when I started it. Unlike a four-stroke engine, a unique feature of a two-stroke engine is that they do not have an internal oil reservoir. However, it produces a very large puff of white smoke (not steam) on a cold start that seems excessive. Automatic transmission vehicles need to be in the Drive position, while manual transmission vehicles can be in Neutral. So, don't waste your time searching any where else. Would this still be a bad transmission seal too?. I tried adjusting the fuel mixture. I would recommend the Tohatsu 4-Stroke 6HP outboard motor… Read Full Review. Check for low cylinder compression; refer to "15. Piston seizure or other damage. 4 stroke Outboard Motor Winterization : Check with your owners manual as to the proper procedure of you particular motor. Issuu company logo Close. I took the boat for a run before and it runs mint. Buying an outbord power boat requires making a lot of decisions, and one of the most important decisions that you'll have to make is what size outbord to get on the boat. A 2-stroke engine is simpler (no camshaft, valves or valve gear), so by extension that should make it easier to work out issues with poor performance. 2 The four stroke engine. The frustration comes. Who says you have to put on the pounds to add more horses? Meet Yamaha’s Next Generation of V6 4. Deep discount pricing for all OEM Evinrude outboard parts at Boats. Excessive oil may cause fouled spark plugs, poor performance, smoke and carbon build-up. Exceeds all outboard manufacturers' warranty requirements and recommendations for use in DI engines. The auto winterization feature fogs the engines itself in minutes, with no trip to the dealer. Will the 2-stroke fuel i mixed a few minutes ago make too much smoke? Because i used 20ml of 2-stroke oil to make one litre of mix because that's what my brushcutter manual said and when pouring the petrol i accidently went over the 1 litre mark on the mixing container and decided to put 10ml more oil in to avoid the situation of. It will smoke like crazy! Any ordinary two stroke lube oil will do for lube injection system. Certainly the removal of 2-stroke outboards is a myth and a couple of manufacturers are still developing the 2-stroke principle. Eliminating Blue Smoke in 4-Stroke Exhaust Probably the largest detractor of an otherwise beautifully restored 4-stroke engine is having clouds of blue smoke belch from the exhaust. (it's the 2nd motor on a 98 grady white 22ft) We started it up before we left for whitehall, and it ran fine. Maintain peak engine performance and reliability Reduce smoke. My 95 250 2 stroke is smoking like a banchi at start up. Another key is too constantly vary engine load during the entire break-in period. The Detroit Diesel 2 stroke family of engines are a very lasting and enduring breed. (follow brand directions and be sure 2-stroke pre-mix models have the appropriate oil also in the fuel). He was very angry the next day after demanding the dealer fix his "valves" Do you notice the level in your radiator dropping???? I know my bike throws some very cool smoke right after oiling the airfilter. The price is slightly cheaper than the OEM boat engine oil so we often get the question: “Can I safely use the aftermarket or generic oil in my outboard motor?” The bottom line answer is: You get what you pay for. EcoMotors International, a startup based in Troy, Michigan, has a new approach to an old idea–the two-stroke engine–which it says is up to 50 percent more efficient than most vehicle engines. Fuel and Oil Pump Fuel Pressure Gauge Fuel Filter Fuel Vacuum Gauge Clear Fuel Line Carburetors Fuel in. When an engine failure occurs, the piston is likely to take the brunt of the damage. i have a 1988-89ish mercury 70 OB motor. All information ,in this publication is based on the latest product information available at the time of approval for printing. Piston seizure or other damage. Start your engine and let it idle, occasionally blipping the throttle for four to five minutes. I told a friend once he had burned valves in his rm 250 2 stroke. ☒ Outboard engine ☒ Petrol ☒ 4 stroke RCD ‑H‑2 Rev 4 150 HP 4‑stroke (3. We'll also look at the different types of smoke. Refer to question #5 for information on oil. The heads have been pulled off and checked out to be ok. Two-stroke engines don't last nearly as long as four-stroke engines. Read Comments. I actually own one REALLY similar. A fast and economical way to get back in the water is to install a remanufactured outboard lower unit from JASPER MARINE. " Any thoughts on this ? Should I be storing my Suzuki df90 4stroke tilted up instead. Owners familiar with 4-stroke motorcycle engines often find themselves at a loss diagnosing poorly running 2-stroke engines. I've experimented and left the engine vertical overnight and there is some, but a liveable smoke show the next day when starting. 25 To 70 Hp(outboard motors) Outboards Marine Engine Johnson/Evinrude 2Stroke 2-Stroke Two Stroke & 4Stroke 4-Stroke. The manufacturers of the generic oils will tell you that their oils are safe for your 2 or 4 stroke outboard motor. You should also completely fill the oil tank (for oil-injected 2-stroke engines) so that water won't condense inside the tank and contaminate the oil supply. Quicksilver Premium Plus Synthetic Blend Oil is an advanced proprietary formula designed for all 2-stroke outboard engine applications and is specifically formulated to meet the demands of high horsepower engines. The engine began smoking at running speeds and according to the owner it felt like it was "missing a gear". 2 & 4-Cycle Amsoil Synthetic Engine Oil AMSOIL offers the industry’s most comprehensive line of synthetic products for two- and four-stroke engines in motorcycles, ATV’s, snowmobiles, outboard/marine, personal watercraft, small engines and much more. While most drivers may never need to change their oil pump, it is important to know the symptoms in case you are experiencing problems with your vehicle. Can we tweak a 2-stroke en My newer Mercury 4 stroke outboard only starts with over half a tank full. So it was a natural progression to simply reprogram -- aka "de-tune" -- the engine’s onboard computer to stop its maximum output at 135-hp. It was used in other vehicles (such as the Grand Cherokee) as well, a strong, durable performer loved by its owners. Engine mounts loose. A 20 ph would burn _____ gallons per hour. Connecting rod big end clearance excessive. My Story of Mercury Verado. In an outboard, though, it may mean something other than a tow to shore and an expensive repair. Older 2 Stroke Outboards have been running just fine on pre-mixed fuel and oil since the Outboard was invented. Typical problems include hard starting, rough running, a need to adjust the carburetor during use to keep the engine from stalling, a need to rev the engine to ke. Be sure to provide engines with lasting longevity and safety for the engine operators. Some folks have used regular 2-stroke engine oils such as those from Walmart and other stores. It happens a lot when starting an engine on a cool morning after not having run it overnight. Ratios below 0. Four Stroke Engine. The picture that says "A two-stroke minibike" is not accurate and it belongs to a 4 stroke engine mini pit bike. Another key is too constantly vary engine load during the entire break-in period. There are some main criteria for the best outboard motors: weight and size, build quality, refinement, the right shaft, motor power. Eg an 800cc 2 stroke is more equivalent to a 1600cc 4 stroke. Common outboard searches:Service Manual, Repair Manual, Outboard Engine Repair, Shop Manual, Workshop Manual, Specs, Specifications, Diagrams, Exploded View, Egnine Wont Start, Engine Cranks but wont turn over, Engine starts but then shut off, engine bogs during engine overheats or is overheating fast acceleration, engine hesitates during. excessive smoke during idling. It is important to use the proper 4-stroke motor oil in the motor’s sump (engine) before starting the motor. A little throttle with the Yamaha 90 hp outboard motor,with the boat docked at the pier. Remember this location. I am now using synthetic blend in my EFI's, and I hardly get any blue smoke at all on start up. The light brown color of the sparkplug WHITE center insulator is a very good sign. 5 hp 2 stroke engine used 2% of the time the boat is underway to get out and back for sailing. We clean and flow test injectors in-house. Looseness of the Fan - Excessive lateral movement of the fan blades. But a fuel or ignition problem won’t cause engine noise or blue smoke in the exhaust. But if it's excessive then you've got a burning oil problem, a rich fuel condition like noted above, a bad spark plug or a malfunctioning power valve. A look at the three main signs that you need to fix or change your oil pump: low oil pressure, high engine temperature, and noise. Two stroke engines produce a lot of pollution, and the way the engine is designed that part of the air/fuel leaks out of the chamber through the exhaust port, which is why you see a small thin film, or sheen, of oil around any two stroke outboard motor, and this leaking oil is a real mess for the environment. The Volvo Penta marine gas engine has been in production since around 1935 as an outboard or inboard marine engine. AMSOIL HP Marine 2-Stroke Oil prevents rust, an important feature where motors are subjected to water. A KDX is going to be between 120 and 170 psi. I'd try dumping the boat in a lake, and run it up to speed under a good load. Whilst it runs I'm getting loads of white exhaust fumes, is this too much oil in the mix, I thought that was blackish smoke, not enough oil, I thought that was blueish smoke and a run away engine, or some other problem?. This assisted minimize the cigarette smoking down. Your right most of the time its the fuel/air ratio. I have a 2004 Yamaha 90HP (four stroke) with about 40 hours on it and, fortunately, it starts very easily. A fast and economical way to get back in the water is to install a remanufactured outboard lower unit from JASPER MARINE. The most common problem with both two- and four-stroke engines begin with the fuel system. I have only once in my life experienced air being the problem with a 2 stroke engine not starting. This illustrated outboard engine guide is filled with effective maintenance, repair, and advanced troubleshooting advice for 2-stroke and 4-stroke engines from 2 to 300 horsepower. Firstly car owners wonder what is considered to be excessive or high consumption of oil? Secondly why do we have such increased oil consumption?. After it runs for about 30 seconds the smoke goes away and it is smoke free and runs flawlessly. Part of the Perkins 1100 Series, the range's 4 cylinder, 4. Description. For 2 stroke engines, you must mix the proper amount of the correct 2 stroke engine oil (outboard motor oil or whatever is recommended by your engine's manufacturer). Do lots of WOT runs to burn all the oil out of the engine/exhaust. This service is available for only $4. Blue smoke trailing from motor when I start it, much more prevalent than before. Shop online for all your home improvement needs: appliances, bathroom decorating ideas, kitchen remodeling, patio furniture, power tools, bbq grills, carpeting, lumber, concrete, lighting, ceiling fans and more at The Home Depot. Ran engine at about 4000-4500 RPM's, and it didn't miss a stroke, just runs great, and remarkably smooth. The picture under that name is 4 stroke for sure. After an hour of riding still smoking. Hey Guys, just recently, my 2008 Mercury 2-Stroke 3 cylinder outboard motor starting smoking heavily at idle (neutral position). Now and then your Yamaha outboard motor will produce an excessive amount of smoke while it's starting up, and can draw unwanted and chiding attention from other boaters at the marina. The following 2–stroke outboard oils are recommended for use in your Evinrude E-TEC G2 outboard: • Evinrude XD100 Direct Injection Oil • Evinrude XD50 2–Stroke Oil • or a synthetic TC-W3 NMMA-certified oil. For certain older outboard motors, most often the cause is due to an incorrect gasoline/oil ratio if the engine uses premixes. T he 2 stroke process of purging exhaust gases from the cylinder and filling it with a fresh air/fuel charge is called scavenging. The boat has a seperate oil tank, so do I need to use the 50/1 oil mixture or not?. Prevents Engine Rust. Vary the rpm, and do not ride at one speed. Excellent for Evinrude® E-TEC™ factory-lean setting (replaces Evinrude XD100™ 2-Cycle Oil). The oil is formulated to eliminate smoke and carbon residue while providing the highest level of protection for all 2-stroke engines. It will smoke like crazy! Any ordinary two stroke lube oil will do for lube injection system. Why Does My Outboard Motor Smoke? An Outboard Motor smokes because it is burning oil. 2L Mercruiser. Two-stroke oil is expensive, and you need about 4 ounces of it per gallon of gas. In general, a 4-stroke is heavier than a 2-stroke, but that's changing, too. Buying an outbord power boat requires making a lot of decisions, and one of the most important decisions that you'll have to make is what size outbord to get on the boat. 5 HP Four Stroke MFS3. If you have sufficient outboard motor knowledge and experience, you can service the Parsun outboard by yourself. 18 volts or YAMALUBE 2-stroke outboard motor higher with the above models. Recently added item(s) × You have no items in your shopping cart. to reduce smoke many use synthetic or racing 2 stroke oil, I personally use synthetic poulan brand in my moped and you see little smoke and I've switched back and forth between 20:1 and 32:1.