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Re: manifolds for Keihin Flat CR bike carbs

Subject: Re: manifolds for Keihin Flat CR bike carbs
by coxsteve on 2019/8/24 3:26:40

One big problem with FCR carbs is if you go below a 200 main air corrector jet they run very poorly as the factory type emulsion tubes do not have air bleed holes and under a 200 MAJ the mixture control turns to crap and power drops of significantly.

The equivalent Mikuni flatslide carbs as used on many Harleys do not have the same issues, CV carbs are a great option provided whomever is tuning them knows how to use air corrector jets to jet not just changing mains, Idles etc