Need Help Diagnosing Noise

1138 Views 2 Replies 3 Participants Last post by hogcowboy, Jul 28, 2018

Intensifinity

Discussion Starter · Jul 27, 2018

I recently changed my oil, sprockets and chain for before the first ride out of the summer on my 2003 CBR954RR last week. (Missed May/June due to school and work) At 3500 rpm a sudden clacking noise occurs no matter which gear I’m in. It sounds like the chain slapping a guard but then at 3600+ or 3400- rpm it disappears. It does not occur when the bike is in neutral and I rev it up to 3500 rpm. I’ve taken off the front sprocket guard and it still occurs. Any advice what it may be? I’m nervous to ride my bike into the ground if it isn’t fixed. I did not use a torque wrench when I tightened the front sprocket down which may have cause overtightening possibly? Or possibly the chain isn’t tight or loose enough? Any advice would be great!

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DE Nichols

· #2 · Jul 27, 2018

Simplest first:

Have you checked the master link? When mine half popped loose it did this...thankfully, it only did this in the first minutes so I got wise and got it done right...well, wise, it was the first chain I ever did, lol.

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hogcowboy

· #3 · Jul 28, 2018

When you adjusted the chain, did you find the tight spot by rotating thru several times. Or is it possible you are off one tooth or they sold you the wrong sprocket. Did you change both or just one? Changing just one can do that. I always bought a set but I also went to a drive shaft because I hated the constant adjusting. So I don't have a lot of experience with chains other than know I don't care for them.

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