kawasaki 450 kfx engine noise/losse of power

superjamie_91 · #1 (**permalink**) 03-04-2010, 03:50 PM

hey guys i have a 2008 kawasaki 450r and i have pro circuit piston cams valve springs and a hotrod ,, the engine i making a weird sound and wondering can it maybe be crank bearings help thx....

Motsch788 · #2 (**permalink**) 03-12-2010, 11:41 PM

can you be more descriptive? is the sound dependent on RPM, Speed, engine Load or throttle input?
I am in the process of a rebuild on my '08, i had a lower engine knock in mid range RPM under a load, looks like its going to be a crankshaft rebuild for me... To be determined shortly

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