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Keihin FCR tuning manual Version 3.3. By Patrick Burns. Many thanks to Marc Salvisberg, founder of Factory Pro Tuning, for teaching me the finer points of using dynamometers and tuning carburetor equipped engines.
Keihin FCR tuning manual. Free tuning manual by Patrick Burns. It covers all the important topics in tuning your FCR racing carbs: synchronizing; fuel screw; slow fuel jet; slow air jet; slow air screw; main fuel jet; main air jet; needle codes; needle selection; etc.
25 kwi 2019 · If you are having throttle issues (bog off idle, hard starting, etc.) take the time to clean your carb properly. After getting taken for $160 every season for a carb clean at the shop I realized that this can be done...
1 kwi 2014 · If you switch the carb on an 04 trx450r to a FCR carb do you have to change the jet sizes?
18 wrz 2012 · This should take you to a pretty good tuning manual for the FCR by Patrick Burns.....
9 gru 2016 · Keihin’s FCR carburetors come fitted on a wide variety of dirt and dual-sport bikes, not just those from KTM. Various engines may respond differently to the modifications that follow, so it’s best to check with your own local expert regarding your particular machine.
KEIHIN TROUBLE SHOOTING GUIDE FCR (Flat-CR Downdraft) and CR Special Carburetors