time to summerize. any input?

[bholicz]

Well my seasons over and its time to summerize it. I have 200 on new full synthetic oil after break in do I still have to change? Instead of fogging cant I just start it up once a month and keep gas full? Any other things to do?

 

[Ohiohntr]

I've never understood fogging a 4 stroke.....I don't fog my Harley when I put it up for winter. Any input??

 

[rbell14]

Sea foam in the fuel system too

 

[yamaha06]

I have never fogged any of my 4 stroke Yamaha's. I usually just change the engine oil, and chaincase oil. Fill the sled up with gas and add seafoam, run the engine for about 10 minutes to get some of the treated fuel through it. Wash the snowmobile good, grease the skid, put battery on battery tender and put it in the trailer for the summer with the cover on it if I need the room in the shop. I usually don't even start it at all over the summer, but can't see why you couldn't to keep the cylinders nice a lubed.

 

[TRUE BLUE SINCE 1980]

Here is what we have been doing for the fuel system for a few years now, works on carbonated 2 strokes and F.I 4 strokes!
We pump the gas tanks dry with a $29 pump I got at Tractor Supply (it looks like a gas pump nozzle)
Add a can or two of True fuel ,$6 (Lowes, Home Depot) Run the sled till you think it is "Run -In''
I don't run the sled at all over summer , Just charge battery once
You can pump out the true fuel if you want to save it for your lawn mower. It will evaporate if you let it in the sled.
When the snow comes again you can put in a FRESH tank if gas to start the year.
Try it the .....The sled fires up quicker in the fall.
Its impossible to fog a modern snowmobile. On a two stroke you can spray the top of the cylinder through the spark plug hole. That cant hurt, but they start hard in the fall .
No disrespect to anyone here, but I cant understand why you would fill a tank and have to run that 8 month old gas the first ride out.
At the very least, I would get the tank as low as possible, and hit it hard with Sea Foam or a marine stabilize. Than run it in.

 

[bholicz]

Here is what we have been doing for the fuel system for a few years now, works on carbonated 2 strokes and F.I 4 strokes!
We pump the gas tanks dry with a $29 pump I got at Tractor Supply (it looks like a gas pump nozzle)
Add a can or two of True fuel ,$6 (Lowes, Home Depot) Run the sled till you think it is "Run -In''
I don't run the sled at all over summer , Just charge battery once
You can pump out the true fuel if you want to save it for your lawn mower. It will evaporate if you let it in the sled.
When the snow comes again you can put in a FRESH tank if gas to start the year.
Try it the .....The sled fires up quicker in the fall.
Its impossible to fog a modern snowmobile. On a two stroke you can spray the top of the cylinder through the spark plug hole. That cant hurt, but they start hard in the fall .
No disrespect to anyone here, but I cant understand why you would fill a tank and have to run that 8 month old gas the first ride out.
At the very least, I would get the tank as low as possible, and hit it hard with Sea Foam or a marine stabilize. Than run it in.

I have heard from a few people that you need To keep gas full for one- keeps moisture out when full, no condensation. Two-you want to keep fuel pump completely submerged, and three if you put premium in it will last a year no ptoblem. Not sure how true but does make lots of sense.

 

[stormin norman]

I agree with True Blue, keep tank lower that way next fall you have room for more fresh gas.
Very little condensation with a plastic fuel tank.

 

[xrayjohn]

I've been told to keep the tank full and add stabil. The fuel will be fine for next season. The fuel system is then protected from corrosion that would have been caused by water separation.

 

[Sharkboyz Plungerz]

Does anybody take tension off the track or suspend the sled via jack or stand?

 

[fc8464]

I could put my sled away w/a full tank but by next fall it would be empty from my boys syphoning out to fill the 4 wheelers and dirt bikes. I think a big thing is to make sure you do a oil change and run it for awhile before storing it.

 

[Sevey]

For the fuel comments, I keep my tank full with stabilizer. As the season approaches, I siphon it out and dump it in my suv and replace with new. No wasted fuel, every drop gets used. Never had a problem.

As for the track, it doesn't hurt to slacken it off during the summer and raise the rear and get the weight off the suspension.
Ms

 

[sparky72]

From what I've been told by mechanics is you should not do your oil change in the spring, wait until fall and drain any moisture from condensation over summer with it. Fresh oil with a fresh start and ready to ride. As for fuel goes, again from what I've been told by numerous mechanics I'd that your fuel tank should be full over summer months. Condensation is more prevelant than one would think, the less room in the tank, the better. Running a tank of 8 month old fuel out is a lot less aggravating than having lines frozen up at an inopportune time..... Just my .02$

 

[fc8464]

I think with the used oil with blowby and other contaminates it creates and acid mix and is not good to be on the bearing . Could be wrong though.

 

[NOS-PRO]

Put an asphalt track on it with a set of ski wheels.....LOL

For those that are putting them away, fill full of premium fuel (no ethanol). Premium fuel does not go bad in the 8 months of sitting. My other sleds I do the same thing, fire them up once a month, let them get to temperature and then shut them off.

I used to drain the tank but the fuel is still in the carbs/fuel injection and dries out leaving a gum residue.

 

[TD Max]

I prefer a full tank of fresh treated gas. Do not burp the tank. As for the oil since you only have 200 miles I'd skip the oil change. It's hard to justify dumping that expensive oil. Your choice as to intervals. Every season at end of season or every other. Changing oil in spring is my preference.

My 2008 115HP 4 stroke Merc outboard has had the oil changed once and the lower unit same. I don't put a lot of hours on it.