Single Detail Page Misc: Carb Carburetor Rebuild Kit with O-Ring Gasket 160 Main 45 Pilot Slow 55 Leak Jet Needle Clip Spring and more for Keihin 39mm FCR 39 Motocross Racing MX Carb fits Yamaha YZ450F 05 06 07 08 and Possibly Other Brands and Models with Similar Carburettor Carborator - Horsepower-House

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Drz400 Fcr39 Popular Q&A

Q: Any experience with the FCR39mm carb conversion for a DRZ400S?
A: Yeah, vacuum carbs suck! I don't know anything about this swap but remember, when swapping carbs it may have an adverse affect on your performance of the bike. ... Read More »

Q: Am I right?? I have Keihin FCR 39 from my previous bike (DR-Z 400...
A: No! It will not work on your bike! Save yourself some major grief by sending it to me! :thumbsup: :lol: But seriously folks... it will work great once whatever ... Read More »

Q: Keihin MX FCR 39 on an 03 640 Adv?
A: Flanny, and group. As I'm getting ready to pull the trigger, and order a Keihin for my 640 ADV, if anyone has additional feedback it would be appreciated. In an... Read More »

Q: Have an issue with my 39mm keihin fcr carbs which are .... Find t...
A: there is an accelerator pump on the carbs that has a blockage or faulty diaphragm...remove the carbs and inspect..your problem is there Read More »

Q: Whos has these on there 39mm FCR's? Would you have any pics? Are ...
A: Thats a good question. Well, we ran it at my friends shop in Cleveland. I had about 220 miles on the motor. I swapped main jets from 158 to 175 and I could not ... Read More »