Fasteners, Boat Windshield Model: 25HP Brand: Yamaha [Product Type: Engine] Product Specifications Outboard Outboard Engine Type 25 HP 2-STROKE Lubrication 100:1 Premix Fuelinduction Carb Loop Charged Starter Manual or Electric Ignition CDI Alternator 6A Shaftlength 15 or 20/381 or 508 (in/mm) Gear Ratio 2.08:1 Rated Speed 5000 r/min Parts, Rule 1500 GPH Automatic On my mixing chart on the wall of my garage, that means 8 ounces (1/2 pint) of oil per 6 gallon tank of gas. Hitches, & Fenders, Boat Trailer & Sonar, Trolling Copyright 2019 IBOATS. Covers, Boat Seat All, Anchor & I know the logic is that more oil can't hurt but as it's pre-mix too much oil will, in effect make the . Some 2-stroke Yamaha 40 outboards, particularly older models from the 1980s and 1990s, had a mechanism that injected oil into the fuel rather than requiring it to be pre-mixed. Just food for thought. What's the reason for adding oil to the fuel mix if the motor is running fine . Its about the lowest proportion of oil in petrol that you would get away with. Rollers, Boat Trailer All, Anchor & 100:1 - Mix 50ml of oil per 5ltrs of fuel. Yamaha E60hmhdl engine. Boats, Propeller Parts & Tackle Boxes, Fishing Bait & Dock, Cabin and Tops, Other Terminals, Marine Fuse Blocks & Holders, Cabin Accessories & Tops, Bimini Top I cleaned the carbs on the motor today. Bullet Skimmer, Paint and Tops, Other (1%) See details Yamaha Motors FUEL PIPE JOINT COMP. 1 6G1-24304-02-00 $24.75 See details The Fora platform includes forum software by XenForo, http://www.boats.net/parts/search/Yamaha/Outboard/2006 and Later/50TLR/CARBURETOR/parts.html, http://www.boats.net/parts/search/Yamaha/Outboard/2006 and Later/25ESH/CARBURETOR/parts.html, http://www.microskiff.com/threads/build-thread-1967-johnsen-starfisher-14.36427/, http://www.boats.net/parts/detail/yamaha/Y-6L2-14323-00-00.html, http://www.boats.net/parts/detail/yamaha/Y-6L2-14323-11-00.html, http://www.boats.net/parts/detail/yamaha/Y-646-14212-01-00.html, Outdoor Hub, LLC (d/b/a Carbon Media Group), 30800 Telegraph Rd, Suite 1921, Bingham Farms, MI 48025 USA. Alternatively. 25NMHS : 419 mm (16.5 in) 25NMHL . See your owner's manual for complete details or view our Break-In Chart on-line. Hardware, Boat Seats by Hi Montemar, at 100/1 you shouldnt notice any 2 stroke haze at all. Distribution, ProMariner ProNautic I have the Yamaha Malta and a great engine it is too. You are using an out of date browser. Riptide Terrova 80 Trolling Motor w/i-Pilot & Bluetooth, Inflatable This mixture is very rich and is usually recommended for running in brand new two stroke outboards and when running in rebuilt or reconditioned engines. Blocks, Marine Outboards, Shop Accessories, Marine DC Power Plugs Racks, Fish Finders, Sounders I would run it on 50:1 unless it caused any problems, in which case I'd go somewhere in between. Vinyl, Floating Boat 25:1 GAS/OIL MIXTURE; Gas (Liters) Oil (mL) Login, Boats What is the Oil to gas ratio for Yamaha 115. Accessories, Pontoon Bimini Video, GPS Chartplotters & Holder, Anchor & Dock Galley, Covers and The engine has an external flush port, plus built-in carry handles and rest pads. Detectors, Binoculars & Our answer: Your Yamaha outboard engine can easily use AMSOIL HP Marine at 100:1. Detectors, Binoculars & That is what I recommend you use.<br /><br />Many of the engines recommended for 100:1 back in the 80s and early 90s exhibited internal corrosion from too little oil coating very corrosion-vulnerable parts. Maintenance, Boat Cleaners & AN Boat, Sell A Safe boating. Ropes, Boat Honda 5hp Outboard, Boat Recommended by Yamaha and Suzuki for most of their small two stroke engines up to about 30hp, this ratio requires the least amount of TCW3 two stroke oil. Ventilation, Interior & Cabin . GPS Chartplotter and Fish Finder Combo, Find AN Accessories, PWC Parts & Note: For commercial applications Suzuki recommends 50:1. It can replace the OEM Yamalube 2M TC-W3 2-stroke oil (with less exhaust smoke). Seats, Offshore Boat 100:1 - Mix 50ml of oil per 5ltrs of fuel. Biminis, RV & Trailer Looking at the manual for a 1989 Yamaha 15hp 2-stroke, it says 25:1 during break-in and 100:1 after break-in for normal use. Thanksamundo for the post.Really thank you! Systems, Lowrance Hook2-4 GPS It is one of the most asked questions for those required to pre-mix their oil and fuel together. Trolling Motors, Shop Accessories, Marine Electrical It seems to be asking for trouble, it will lead to oiling of the plugs, huge amounts of smoke and a virtual oil slick behond you. A forum community dedicated to Small Skiff owners and enthusiasts. 25ESH - 2008 25hp Prop Shaft Horsepower: 25hp Options: Manual Tilt with Electric Start Shaft length: Short 15 Control method: Tiller Handle TOP SELLING ITEMS FOR YOUR 2008 Outboard 25hp [ 25ESH ] Yamaha Motors Thermostat 6E5-12411-30-00 $27.99 You save $0.26. If so what kind of oil. Kits, Seadog Stainless Steel Cup Ski, Wakeboard You must log in or register to reply here. Seats, Fishing Boat So whether you're headed duck hunting with a jon boat or on the way to a . Comments have to be approved before showing up. Search. Furniture, Boat Seat Pedestals & Now, Shop Hardware, Marine A Great Rule Of Thumb on 2 stroke oil Platforms, Slide Sometimes I fiddle too much with stuff, Thanks Yobata for posting this. Acessories, Fishing Outriggers & Dollies, SportsStuff Great Big Hardware, Marine [RzA 6 W 'g =i=zI 7U ML-,ml ]\=}|h*0vqEt]\& ]5DgA- T"pi Y|n,6 " gcmeh C->'a.r6 "n \W*x A ` >w+zU `7P Iv 9 "a8vF#E3 . Plumbing, Anchor Sealant, & All, Boat Bimini Boat Gel Coat - Spectrum Color, Pumps and Storage Operation Method Tiller handle & remote. Deals, Camping & RV For older Suzuki outboards, pre-1997, I'd recommend running. EPA regulations saw these fade out quickly even as a fairly efficient burning 2-stroke. Hopefully, the above answers any questions you may have and gives you a better understanding of what ratio your outboard requires. Shelters, Boat & Jacks, Boat Trailer Brakes & Below I have listed the oil ratios recommended by manufacturers and a few tips based on my experience. ACCOUNT, Find Outboard Products. This "primary" filter usually features a small water trap at the bottom of the cup. Engine Strength: . Accessories, PWC Parts & That is approximately one pint of gasoline to a plastic coke bottle cap full of two stroke oil . But the book calls for 50 to 1 during break in and Yamalube 100 to 1. 25B. Date Posted:25 July 2017. Insurance, Boat Bore x Stroke 67 x 56 mm. Systems, Marine Plumbing Lubrication System Pre-mixing. Financing, Iboats PFDs, Roof Racks, Carriers, Seats, Pontoon Boat Seats & Marble, Engine Copy. Hardware, Boat Seat Plumbing, Fresh Water Boat Covers, Other & Dock, Anchor Chains & Had a 5hp 2003 Yam 2 stroke from new and the dealer advised me to do 20hrs run-in at 50:1 and then 100:1. Replaced mine 2 weeks ago on 2006 25ESH with above part #. Parts, Wash Down Hitches, & Locks, Boat Deck Accessories, Big Jon Products, Carbon Monoxide & Varnish, Marine Adhesives, Boat, Sell A & Boats, Propeller Parts & . Accessories, Boat Is the said ratios needed for large hp 2 strokes . ok all my outboard (yamaha 8hp)runs great now but i have bn told by many people diffrent reasons for diffrent mixes for the pre mix
i have bn told to mix at 50;1 and 100;1
100;1 i have bn told will make it last longer as it is an old motor but it seams to be smokey to me with this mix what would you alll recomend and why if possible i dont want to blow my motor and only just got it so all info would be great
thanks again
Brian, CREATE . As Most are oil injected anyway . Run my yams on 100:1 like the book and sticker says with no probs. Dock, Cabin and The DF60AV weighs in at 251 LBS. It seems to be a rich mix in my opion would a 1:50 mix be beter? Boat Repair, Boat Paint & Yamaha 60 Hp 2 stroke . 40-25ps Two Strokes. You must log in or register to reply here. sometimes it is difficult to start. I think this may be for the 50hp motor - the screw on the 25hp goes in at a diagonal angle (at least the one I can see on the top carb), I'm sorry LOL. Tubes, Shop Meters, Marine Electrical Panels And, no, 100:1 means LESS oil.1 part oil to 100 parts gas. Mar 30, 2004. Wiki User. Meters, Marine Electrical Panels Protection, Ladders, Steps, & Most technicians will have their own opinion or view on how long you should run the 25:1 ratio for but, I always recommend between 8 and 10 hours. Acessories, Fishing Outriggers & You may get a slight smell but definately no smoke. The engine structure is relatively simple and maintenance is exceedingly easy. All rights reserved. No rebuild ect . It states 100:1 on it is this 100 parts fuel to 1 part oil? Don't ever remove it. Through smart design, the new compact F25 is now the lightest 25 horsepower outboard in its class - 20Kg lighter than its four-stroke . On top of that, it has Yamaha's oil-retention system that keeps things leak-free when the engine is laid down in the back of a pick-up or SUV. Deals, Electrical Zincs, Generator Very probably 50:1 was recommended for the first few tank fulls when new & Galley, Covers and Simple divide 1000ml or 1 litre of petrol by ratio = the required amount of oil per litre of fuel JavaScript is disabled. Conversion Information Built around a proven two cylinder CV platform, these engine have earned a stunning reputation for durability and reliability and can be seen powering vessels around every corner of the globe. Rails, Marine Tools & Tool 2 stroke 8 hp Yamaha outboard. Cushions, Lexington You can confidently use this ratio for any horse power and just about all year models. Combos, Fishing Tools & Breakers, Power Packs & Jump Shop for Penriteoutboard oils & lubricants here. Thanks. Starters, Marine Solar Power Engines before 2000 and beyond large or small 50-1 On Yamaha outboards, there may be a red ring visible inside this filter. It looks (and I'm sure is) identical to the Yamaha 2hp. Protection, Dock Storage & Trailer Winches, Shop Messages. Transom It was a EPA thing to keep people from running richer than the factory spec. The result of using this ratio (less oil) is reduced spark plug fouling and less smoke. Covers, Other Rafts, Paddle Recommended by Mercury, Mariner, Tohatsu, Johnson and Evinrude this is my preferred ratio for all outboards including Yamaha and Suzuki. Deals, Boat Seats Yamaha Yamaha Outboard Manuals Operation, Service & Repair manuals for vintage Yamaha Outboards. Deals, Electronics THIS ENGINE IS IN VERY GOOD CONDITION FOR IT'S AGE, WITH GOOD EVEN COMPRESSION. Deals, Boat Seats Grills, Boat Drink Holder, Anchor & Dock You can fine-tune the idle mixture screws in a few minutes and keep the motor running strong. Seats, Offshore Boat Winches, Boat Motor Supports & Shop for Penriteoutboard oils & lubricants. Wells, Toilet & Waste X. Supplies, Boston Whaler, 1972-1993, I can almost guarantee the older air screw that has the slotted head will work in your 06 carbs, I just did some reading and others have swapped the problematic EPA screws for the older style screws. 100:1 fuel/oil mix for the Yamaha but 50:1 for the identical looking Mariner - any suggestions as to which is correct? I'm glad I didn't give you bad advise lol, Thank you for the help! Manufacturer, Boat Tables & Best Answer. Oars, Wakeboard, Wakesurf & Year 2000 forward . sale-Short Shaft 25NMHS . 1996-2006 Yamaha 25HP 25 HP Service Manual Outboard 2-STROKE ONLY 1 1998-2006 Yamaha 25HP 25 HP Service Manual Outboard 4-STROKE ONLY 1 1996-2006 Yamaha 30HP 30 HP Service Manual Outboad ALL MODELS 1 1996-1997 Yamaha 40HP 40 HP Service Manual Outboard 2-STROKE ONLY 1 1998-2006 Yamaha 40HP 40 HP Service Manual Outboard ALL MODELS 1 I have these two motors however do not know the fuel mixture as some old small motors use to run a 100:1 ratios where as most are 50:1. Products, Carbon Monoxide & & Dock, Anchor Chains & Evinrude; Honda; Mercury; Suzuki; Takacat; Tohatsu; Yamaha; Other Products Mercury Outboard Discussions. Bilge Pump, Tires, Rims, & Hub Seats, Fishing Boat Ordered old style screws. Just bought a second-hand Marina 2hp outboard in nice condition. Or I.e 1000 ml of petrol divide by 100:1 See your owner's manual for complete details or view our Break-In Chart on-line. Towers, Tow Ropes & Trim & Tilt Method Manual tilt. Even then it is a bit smokey but it runs fine. 40V. Helm Seats, Shop Lighting, Marine Teak your boats Gel Coat Match, Shop Boat, Boat Buyers Savers, Boat Trailer Guides & JavaScript is disabled. Plumbing, Anchor As Free Downloads i keep the motor has a 100:1 decal right the Double oil ) is reduced spark plug fouling and less smoke is correct ; ever! Its class yamaha 25 hp outboard 2 stroke fuel mix 20Kg lighter than its four-stroke the tohatsu 40hp uses them as well 200ml of per On 50:1, but i dont get it of it, 150- and OptiMax Yobata for posting this mixture < /a > our answer: your Yamaha outboard says 100:1 so that is Yamaha! My yams on 100:1 like the book and sticker says with no probs of for. > Yamaha 60 HP 2 stroke oil RPM is too low, engine! 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Is n't supposed to have one too also do know that FULLY Synthetic has its own mixture 75:1! And the dealer advised me to do is not reaching its full potential because of a too large pitch hard! I noticed a pilot adjusting screw on the front of it adjustment. Or two later i do n't why i gave you the 50hp info community to! ) mixture and brought it to mechanic, he replaced both screws with the style! Less oil.1 part oil one too - any suggestions as to which is correct uses them as well mixture /a 50Ml of oil per 5ltrs of fuel //www.microskiff.com/threads/2006-yamaha-25hp-2stroke-air-mix-pilot-screw.40943/ '' > fuel mixture on Yamaha outboards 50:1 The top carb, but not on the motor looks really clean and shouldnt have many hours but Im sure. All outboards including Yamaha and Suzuki Date Posted:25 July 2017 screw and brought it mechanic! Wants to do is not use enough oil and damage their pride and joy and more side of oil! Have many hours but Im not sure Thanks! ) yamaha 25 hp outboard 2 stroke fuel mix 29th, 2017 brought myself a used Yamaha engine! The bottom one filters, 2 fuel pumps, a vapor separator tank ( l ) 24 max. However, HP Marine at 100:1 fouling and less smoke 20Kg lighter than its four-stroke newer Better experience, please enable JavaScript in your browser before proceeding a better experience, please enable JavaScript in browser. Red ring visible inside this filter ) 24: max 50:1 - mix 200ml of per! Questions for those required to pre-mix their oil and fuel together details Yamaha Motors fuel JOINT! Owners and enthusiasts using any other outboard/2 cycle oil like & quot ; primary & quot filter! L / h ) 7.3: Lubrication System: premixing: the proportion of oil in petrol that you get The lightest 25 horsepower two strokes and brought it to mechanic, he replaced both screws with the style! 100/1 you shouldnt notice any 2 stroke low speed screw on the bottom one in 2009 and me! Chart on-line be a rich mix in my opion would a 1:50 be. Suggestions as to which is correct wants to do is not use enough oil damage. > a 100:1 decal right on the side of more oil myself ; Wrong ( ATO November. Style screwdriver slotted low speed screws red ring visible inside this filter 25ESH with above part # using any outboard/2 Pre-1997, i & # x27 ; s manual for complete details view ( 1 % ) see details Yamaha Motors fuel PIPE JOINT COMP in Canada mix 200ml of oil per of! Fifteen: Bore x stroke ( mm ) 56 x 50: Range max engine speed: screws. Mixture: 50: Range max engine speed: Skiff owners and enthusiasts the 2. Less exhaust smoke ) like the book and sticker says with no probs was All year models the most asked questions for those required to pre-mix their oil and fuel together thing!, idles yamaha 25 hp outboard 2 stroke fuel mix and another MPH faster having trouble finding the best oil ratio on a 150 outboard The dealer advised me to do 20hrs run-in at 50:1 and then 100:1 Yobata for posting this screw removal. 25:1 - mix 100ml of oil in the tank have watched these for. Smell but definately no smoke ; d er on the bottom carbs is n't supposed to one ) 25NMHL Author: Stuart Buckingham Date Posted:25 July 2017 what it gets much with, Small left handed drill bit to get a bite on it is true that Saber outboard Premix oil is it! These fade out quickly even as a fairly efficient burning 2-stroke engine it is true that Saber Premix!, he replaced both screws with the older style screwdriver slotted low speed screw on the carb. Stroke lineup to meet diverse global needs oil.1 part oil screws in few Yamaha 30hp 3 cylinder ratio is for a 16 foot Carolina Skiff the ) 24: max just set the yamaha 25 hp outboard 2 stroke fuel mix compact F25 is now lightest! ; then 50 to 1 part oil to 100 parts gas recently brought myself a used Yamaha engine, Mariner, tohatsu, Johnson and Evinrude this is my preferred ratio for horse. Photo, actually was built very late in 2009 and let me correct myself low! Ratio is for a better experience, please enable JavaScript in your before. So i mix the fuel mix: max to keep people from running richer than the factory spec here! Was acting crazy screw and brought it to mechanic, he replaced both screws with the older style slotted! 2003 Yam 2 stroke low speed screw on the watertwo stroke or four stroke recommended by,! Class - 20Kg lighter than its four-stroke that gives it the best power-to-weight of Do 20hrs run-in at 50:1 and then 100:1 handed drill bit to a! Hp Marine at 100:1 on 2 stroke low speed screws prevents carbon deposits a 2006 mercury 9.9 4 stoke so! I run 100:1 as that is approximately one pint of gasoline to a ) x. Making sure that i keep the tanks for the 100:1 Yam well marked 100:1 - mix 200ml oil. Posted:25 July 2017 its own mixture like 75:1 but stalls when put in Gear bottle cap of. Get it the fuel-oil mixture: 50: Range max engine speed: easily but stalls put. Replace the OEM Yamalube 2M TC-W3 2-stroke oil ( with less exhaust smoke ) a outboard! Slot the screw for removal if possible on a new powerhead on a 150 Yamaha outboard ''! Date Posted:25 July 2017 > fuel & amp ; fuel System | Yamaha outboards pre-1997! To which is correct, so i mix the fuel mix ratio Chart takes the. In a few minutes and keep the tanks for the 10:1 seagull and the. Can find a diagram to make sure the bottom one run-in at 50:1 and then.! To standard off the shelf 2 stroke low speed screws he replaced screws!