Vintage Dirt Bike Q & A • View topic - 1973 CR250 jetting for Keihin 34mm

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1973 CR250 jetting for Keihin 34mm

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t20sl

Post subject: 1973 CR250 jetting for Keihin 34mm

Posted: Mon Jul 21, 2008 2:23 pm

Joined: Mon Jul 21, 2008 2:19 pm
Posts: 8

1973 CR250M Keihin jetting. What jetting is anybody RUNNING with stock 34mm Keihin carb? Have it all original but very rich, especially at bottom. Going racing and need info quickly. Also what altitude is your jetting for? Thanks

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danielsanchez

Post subject: Re: 1973 CR250 jetting for Keihin 34mm

Posted: Sun Nov 29, 2009 8:53 am

Joined: Mon Jan 21, 2008 9:00 am
Posts: 20
Location: Madrid, Spain

hi,i was with the same problem and finally had bougth a new mikuni vm36.and the bike is now running almost perfect,waiting for some jetting tuning.

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