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View Full Version : 03 kfx400 aftermarket parts



straightline501
03-11-2010, 09:21 PM
im lookin for

exhaust
jets
cdi
carb
air filter
front sproket
anything to make the wifes kfx400 faster than all my buddies wifes 400cc bikes lol

firstturn
03-12-2010, 10:03 AM
I've got a complete low hour Yosh built national 449cc motor, same build as what Gust used when he raced one. I also have an FCR40 carb that is already jetted for it with two different throttle assemblies (one twist and one thumb), a Yosh modfied airbox assembly with TRX boot and K&N filter, plus the Procom ignition. No exhaust. The motor build alone is $1800. I am selling it all for $1300 firm.

I had the motor in my girlfriend's quad she raced it once at the Adelanto GP (beginner class) and did about five trail rides. The motor rips and is definitely faster than the KFX450R that we bought or any other stock 450 out there. I put the stock motor back in the quad when we sold it, which is why I still have this motor set up.