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HCS Snowmobile Forums > Snowmobile Forums > Ski-Doo General Discussion > ZX Chassis
RogerBzXCR
My Buddy bought this 98 stock Mach 1 and it is over reving 8500 rpm's or so and most dyno sheets that I see are pointing peak HP at 8000 rpm's..

I would expect to clutch this thing to like 7800 and let it run out to 8000 on the big end

what can he do to get his rpm back down..

what would be a good setup for all around trail and lake playing

maybe some gearing too..

Thanx
Glass Racing
The drive clutch is adjustable, they have 5 RPM settings. My sled runs around 8200 RPM with pipes.
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