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Full Version: Jet tips for 92 mach 617 with twins
DOOTalk Forums > Ski-Doo Snowmobiles > Vintage Ski Doo's
Boltay
Hey guys!

I recently picked up a set of twin pipes for my 617 mach 1 after looking for ages.

I'm wondering now if anyone has any tips for jet tuning this machine for the new pipes, or is it needed?
fishnride
Ya, its going to be needed. I live at 10,000ft and have 320 and 340 I believe, but the correct jets for your altitude could be totally different.
fishnride
Just wondering how much the twins were and what kind?
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