![]() ![]() A guy i used to buy tractor parts from said he used a go kart clutch on his racing tractor - he welded a large sprocket on it and said hes run it for like 10 years like that. The snowmobile clutch has more to do with engine balance as well - if its not weighted right- it can over rev and blow up the motor.Ĭlutches wont be cheep- one for my honda motor was like $80 ( 3/4" shaft)and is supposed to be heavy duty - i bot a pulley type go kart clutch for my murray years ago - that was like $90 ( 1" shaft)- both came from northern tools. ![]() My '79 arctic cat el tigre 5000 has a custom weighted comet clutch and driven shiv, different trans gears- had bigger carbs on it as well - i could crank it up to around 70 with its antique 'fred flinstone' suspension before it got too much to handle. Snowmobile clutches and driven shivs arent splined - theyre a press fit like a flywheel on a tractor motor- snowmobile clutches are way more complicated tho then a CVT - different spring rates, weights, shims - same for the driven shivs ( i tore my sled completely apart a few times every year and rebuild it since i was in middle school - before pop and i would go on long distance snowmobile trips up north). I own a snowmobile - havent drove it in quite a while tho. My friends hardest challenge with the cvt was to find one with a 1" shaft diameter. Im sure tractor supply or northern tool (american names, here its princess auto) would have small engine specific cvt designs to engage at lower rpms. And i think snowmobile clutches have a splined shaft also. Another thing, Depending on the weights in the clutch, my snowmobile clutch engages at 4600 rpm (enough to blow a mower engine). He uses a RAGB (right angle gear box) from a rototiller to convert the vertical to horizontal shafts and runs a chain and sprocket to the live axle. ![]() works fine for him but as soon as water gets on it it will slip like a S.O.B till it drys off (like a snowmobile). But he does use his cvt on the verticle shaft motor. You can put it into say gear 1 and stop, then go into 2 depending on where your riding but you will most likely blow the tranny if you "shift on the fly". You cannot use a mower tranny or transaxle to shift like a car or dirtbike. he has a 14hp v twin briggs and uses that cvt (continous variable transmission) setup. I have a friend who has a custom race mower he uses on the gravel roads around here in the country. (probably one of the person who owns a snowmobile on this fourm lol) anyways. Coming from a person who knows quite a bit about snowmobiles, I may be able to help you guys out. ![]()
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