Just got into this sport a short time ago, I have a lot to learn and love to learn. I enjoy talking to guys with a lot of experience that are willing to share knowledge. There are a lot of tricks to this trade that you just need to learn from experience but when you have guys willing to help a young guy out it gets to be an even more enjoyable hobby!:beerchug:

ever do any clutch work on a snowmobile ?

Dang it Don now you got me thinking I am going to open my snowmobile hood and stare at the clutches to see how this applies!

I read up on the governor. It is set from the factory with the spring on the 3rd hole going up and 2nd hole going down. It also said that increasing the distance of the spring increases the sensitivity of the governor. What is the best way to go with the spring? 3/3, 4/3, etc. Is there a danger of making the governor too sensitive and over revving the engine? At what point would that be? 6/6?

I actually have a 10% overdrive in a junk rear end I bought. Does it make that big of a difference?

a 10 % od does nothing more than speed up all your gears by 1 tooth. nothing more nothing less. if you have a 16t second gear and install a 10% od you now have a 17t second gear

Well, I am ready to pull this weekend.

Good luck!

Pulled this weekend. It was a lot of fun. When I weighed in I started out 5 lbs overweight. Had to let some fluid out of the tires. First pull was really good. Made about 100 ft. But, they didn't turn something on in the sled and didn't measure it. Had to pull over. This time I forgot to wait for the flag man and jumped the gun. Still, it was a good day.

How do you get the engine to go over 3600 rpm. I have a #30 carburetor and it will go wide open. Do I need a cam or something?

What engine are you running? Also I would only raise the RPM if you have a steel flywheel. The stock cast ones can and will come apart.

It is a K301. The class I run allows 4000 rpm. The cast one should be good at that rpm.