91 mach 1 top speed - Snowmobile Forum: Your #1 Snowmobile Forum

clarkracing81 · 01-12-2013, 11:55 PM

Does anyone have a ruff idea on top speed of a 91 mach 1 617'? An a 93 mach 1 670 ?

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617Mach1 · 01-13-2013, 08:52 AM

i have a 91 mach 1 617cc and on the lakes, with some powder, i have gotten her to 95mph, could probably push 100-105mph at best conditions....but i dont like holding it wide open for to long, and i dont do many top speed runs

as for the 670 i have heard of people topping out at around 110-115mph

clarkracing81 · 01-13-2013, 09:46 AM

Thank u

gary_warner4 · 01-13-2013, 10:02 AM

I had a new one in 1991. Mine did 109 on radar all stock.

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minisrint521 · 01-13-2013, 06:48 PM

95 is pretty accurate.....but mine did 120.....all stock!

gary_warner4 · 01-13-2013, 07:01 PM

Yours must have been a mach1X as they were alot faster than the mach1.

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minisrint521 · 01-13-2013, 07:20 PM

Mine was a mach1xx....x

Shonda22 · 01-21-2013, 12:10 AM

I have a 93 670 and my brother has a 91 617..... 670 hits 110mph good conditions the 617 right around 100 mph

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clarkracing81 · 01-22-2013, 03:33 PM

Haha shonda22 ur a loser bro jk didn't realize it was u bro. At least we all no ur big bros 617 with big bore kit beats ur stock 670!!!!!!!!!!!

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clarkracing81 · 01-22-2013, 03:37 PM

Welcome lil bro what u think of site? Good group of guys on here an ALOT of help full tips an stuff. Small engine guy is from northern nh an knows a lot about are sleds he has a few an has one built with sc10 suspension so sick

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