4 stroke winterize

[steplift20]

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well the title says it all. How do you winterize a 115 yamaha 4 stroke, its my sons engine and i dont know, now if it was a good old 2 stroke that wont be a problem but a 4 stroke you cant fog it its fuel injected so what do you do to it
thanks
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[randlemanboater]

They way I've winterized mine since I got it in 2003 is ad Stabil to the tank and run it long enough that it gets in the engine, tilt it down to let all the water drain out, and put the canvas cover on her.

Has worked great so far.

Oh, if its close to being due an oil change, I do that too.

Keep in mind that I may only have mine put up for a couple months at a time in the winter.

[reelapeelin]

Although a lot of people around here do, I've never winterized a motor...I use 'em all winter long...best striper season...like RB said, store tilted all the way down to drain, but nothing other than that...

[steplift20]

thats it, i can do that, easier than a 2 stroke

[randlemanboater]

.I use 'em all winter long...best striper season...

If the largemouth ever stop bitting I am gonna try that this year.

[spareparts]

my best suggestion is to use a fuel stabilizer treatment in the tank each time you add fuel, that way, if you get distracted for a couple of months, you won't come back to skunk gas, btw, keep the tank close to empty when storing, the condensation thing is total bs, I'd rather have 5 gals of old gas that I can dilute with 20 gals of fresh, than have 25 gals of old gas to deal with. Try to find ethanol free if you can, it should be getting easier since the subsidy and tariff was removed last August. If you don't already have a spin off 10 micron filter, you need one. If you know you are going to put the boat up for a while, hook up a small outboard tank to the engine, run a mix of fresh, storage treated, ethanol free fuel, mixed with 50-1 two stroke oil. Drain the vst tank if its fuel injected, pump up the primer bulb, start and run the engine till it starts to smoke a little(it takes a while), that way you know treated fuel got to everything, the added two stroke oil will keep the fuel pump check valves from sticking. Store the engine trimmed down, check the gear lube for water and check the engine oil for water or high levels with a gas smell. Now's the time to do repairs, not June!

[steplift20]

you run it wwith 2 stroke oil im the gas? does anyone else do that? this is the first year we have a 4 stroke and we want to do it right I still have me 150 merc on my steplift and i love it but i have to change the starter this year last time i tried to go fishing with my 3 sons it only spun it didnt get up far enough to grab the flywheel so we called it a day and of course when we got her home and started it it started fine but thats the secound time she did that so now im going to get it rebuilt, and i dont see gas without ethonol in it, i wish i did, i live in nj[please no jokes on that]i here strippers are really in now and we cant get out,