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42m Fresco or 48Mil Mikeck?

Posted: Wed Aug 10, 2011 4:49 pm
by JDale
Running a stage 4 sx/jet 200 engine, 28mil dellorto with an original 80's underkick start 42mil fresco. Runs fine but seems to run out of puff at anything over 60'ish, I have a 48mil mk 6 Mikeck which I can try , would that be to big? would it allow the bike to better the on the top end, rev on a bit more.

I know sx gearing is not that great but I feel the bike has more to give

Thanks in advance

Rgds

JD

Re: 42m Fresco or 48Mil Mikeck?

Posted: Wed Aug 10, 2011 5:35 pm
by RICSPEED
i'd go with the mikec

Re: 42m Fresco or 48Mil Mikeck?

Posted: Wed Aug 10, 2011 9:48 pm
by smiffy1968
RICSPEED wrote:i'd go with the mikec
I agree, go with the Mikeck.