Keihin 41mm MX FCR pumper carb for bigbore thumpers (with pics)

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Redwolf

Race Dog
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So, it seems I just bought a Keihin 41mm MX FCR pumper carb for my XR650R... :biggrin: Best performance carb for a big displacement 4stroke thumper.. Wonder what the horspower and torque increase would be ??? :thumleft:

Anycase, found an interesting discussion on using the stock XR650R as a performance upgrade for the XR650L.. See: www.thumpertalk.com/topic/101088-xr650r-carb-on-a-xr650l/

Also search google for more info. Alot of nice info on this subject. So which XR650L owner wants to make me an offer on my stock XR650R carb?? Obviously will only sell once the FCR is on my bike and performing as it should... :thumleft: My stock carb was serviced by runner 2 weeks ago, so obviously in a great condition.. :thumleft:
 
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