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MPI SC high elevation clutching?

Thread starter MNBlizzard
Start date Dec 18, 2014

MNBlizzard

Well-known member

Lifetime Membership

Dec 18, 2014

I need help in getting my sled ready for the mountains. I have a 2013 XTX 1.75 with an MPI 180 Supercharger. I am looking to run out west between 6500' and 9000'. I have an Ulmer stage 2 clutch kit installed and it works really well for low elevation. Any one have an Ulmer clutch set up that works well out west? I also have a set of new yamaha 8HG weights and rivets that came with my original SC kit.

Specifically, I'd like recommendations on:
Primary Spring?
Primary Weight?
Rivet - Outer?
Rivet - Center?
Rivet - Inner?
Secondary Spring?
Roller?
Helix?

Thanks!