KFX 400 Backfire
#1
KFX 400 Backfire
I just purchased a KFX 400 to play in the sand with and have put the 10 hours on it they recommend for breakin (ok maybe 91/2). So my partners and i are waiting patiently for this time to come and when it does I opt to take her on a flat open patch in the desert and look to see what she does. I go through the gears at an aggressive pace but not totally throttled out ... about 90%. I hit 5th and she is flying (she is still all stock) and I take her full throttle for a bit. Then when i let off the gas she lets out a very loud backfire. I let her cool down and ride around for a bit and do the same thing and she does it again...is this a really bad thing...is it not jetted properly....did i do this to soon in the break-in procedure and possibly done something to it...any info would be appreciated. Other then this I am totally impressed with my Kawasuki 400...she handles great...has spunk for a 400 and is extremely light compared to the prairie....prairie is still my beast though and will be my mountain and rough rider.
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fordfaithful21
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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12-07-2015 05:52 PM
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