Snowmobile World banner

Epi clutch kit mxz800

1293 Views 3 Replies 3 Participants Last post by  MXZ_Rider
I put a EPI kit(springs and helix) in my 2001 mxz800, followed directions set sec. preload at 18-19 lbs, my engagement is around 4800 with the new spring, i am getting my a** kicked by a stock mxz 700 and believe it or not a stock F111 600, all three sleds have 192 picks, I weigh 220,  will someone please tell me what I am doing wrong!!
See less See more
1 - 4 of 4 Posts
this race was about 400 ft.
Welcome to the wonderful world of tuning!!

Could you beat the stock 700 prior to the kit?

I don't have experience with the EPI kit, but
I would start with belt alignment and belt
deflection. 4800 is a little high in my opinion.

What are your RPM's at top end? 440 ft is short
and I would think you should take both
sleds. Are you sure they are stock?

The best way to test is to have a buddy that
you can run against each time and his sled
stays constant.
See less See more
Rider weight has a lot to do with it too - how much do they weigh?

I weigh 140, most of my buddies weigh wouldn't believe what a difference 60-100 lbs. less weight makes!
1 - 4 of 4 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.