Primary for a Kohler Command 30

Minnesota_Duane

Who has had a Polaris or Arctic Cat clutch bored and broached?
Which clutch did you use ATV, UTV or snowmobile?
What springs and weights?
I would think that one of these would be far superior to a Comet when it come to setting it up, but then I have been wrong before.

Then what does a guy do about the secondary to use the wider belt?

I've been trying to search for any info and have come up empty. Other than this link. http://webcache.googleusercontent.co...e_team/faq.htm

BGW

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Shepard

Well, if a guy was going to go through all that work re-machining the Polaris or Arctic Cat drive clutch ---- I would be using the matched driven clutch from whatever machine your getting your parts from. Tuning it will be less of a problem. I was on Comets site today and the snowmobile type clutches just start turning on at 2650 rpm, How much work is involved in calibrating a drive clutch?

Skoal82

What about pulling the crank on your engine and having it machined to fit the clutch you use.

Minnesota_Duane

Seems far simpler to machine the clutch to fit the engine. Used sled clutch $75-$100 Crank for a 30hp Kohler?

Shepard

What would the machine work cost to upgrade the clutch to a 1" bore?

Minnesota_Duane

Mine is 1 1/8"

chevydmax6

U can get a comet 94c
That is what did I had the motor torn down to do valve job and rings I wish I would of had the crank turned down to an 1" and bought the comet 780 cause I have been messing and messing for 2 years and it still could be better and others will tell u the same thing do it now it will save u a lot of headaches

Cheezygo

Post number 25. http://www.buggiesgonewild.com/big-b...k-carts-3.html

TheNewGuy

This may not be safe. Is there enough material to maintain strength? Machining the crank shaft is the way to go.

Ron


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TJL

I have a kohler command 18(20hp) like a few others here. I had my crank machined from 1 1/8 to 1" for the conet 780. I also got a kohler command 30hp i havent done anything with yet but i'll do the same, machine the crank to 1" probably.

But just to be sure check the HP rating on the conet 780. I dont know if its meant to handle 30hp