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HCS Snowmobile Forums > Snowmobile Forums > Polaris General Discussion > FST/4 stroke
FUSIONPOWER
mine today was turning 8650 in a few hundred feet, what's the recommended max for this engine?
FST
QUOTE(FUSIONPOWER @ Nov 4 2007, 07:28 PM) *
mine today was turning 8650 in a few hundred feet, what's the recommended max for this engine?


What MY is yours?

My 06 FST Classic only ran 7850 most of the time. 8000 or a little over once in a while.

What max RPM is I'm not sure.

FST
FUSIONPOWER
it's an 07 fst iq lx. I thought I'd have to weight it down some, just wasn't sure how much.
Snowbeeler
QUOTE(FUSIONPOWER @ Nov 4 2007, 09:28 PM) *
mine today was turning 8650 in a few hundred feet, what's the recommended max for this engine?

Do not use the "Max RPM" reading on the dash. It can be inaccurate due to electrical interference. Use the analoge reading, although its a little harder to use while at full throttle. 8650 is way too high. Should be 8000 + or - 200.
FUSIONPOWER
thanks, i just ordered my mtx weights
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