Ski-doo Formula S mods??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 02-09-2000, 11:45 AM
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Ski-doo Formula S mods???

Well, don't laugh, because my little formula S can hang with a lot of you out there. Obviously no because it is a powerhouse, far from one, but it is LIGHT! Dry weight is 430lbs. It has a pretty good power to weight ratio and handles great if you know how to avoid the ski lift. Well, what I would like to ask is: Does anyone know of some mods for the engine in this little guy. I love the sled becuase it is fun to ride and has never thought about giving me problems. You cannot complain about 430lbs.

Questions:
Engine Mods, e.g. tuned pipe, etc, (anything other than milling or porting).
I am mostly concerned about low and midrange.

Clutch kits for the Bombardier light primary?

Any other mods would be great.

Thanks...

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post #2 of (permalink) Old 02-11-2000, 06:05 PM
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Re: Ski-doo Formula S mods???

Gooney

You are right about those small 377's in a light sled. My oldest sled is an 89 safari scout (400lbs) with the 377 fan mill. It wasnt until above 60 mph that the lack of engine size became obvious. Thats when I had my dealer swap engines with another Skidoo I had. With a 498cc engine this is a wicked machine. And that is my recommendation to you. Find a wrecked low mile 498,put that 380 on a shelf for when you need to trade, and hang on. From looking at it The engines seem identical so it should be an easy swap and the sled weight shouldnt change. Clutch and carbs may need tweaking. best of all you will surprise a lot of people with that 380 hood decal.

post #3 of (permalink) Old 02-12-2000, 07:27 PM
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Re: Ski-doo Formula S mods???

buy a new sled

"If YoU CaN't RuN wItH ThE ArCtIcCaTs, LeAvE YoUrS On ThE TrAiLeR"
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