Strange Growling/Rumble Sound 06 YZ450F

Positive. Gotta go fish for a few days in the morning. When I get back I should have filters and exhaust waiting on me. Will pull my clutch then also. I have a definite roar that gets worse when I pull in the clutch, no doubt.

Ok, so now I am a little tweaked out. Without a doubt bike makes a roar sound when I pull in the clutch. Will do an oil change and see if this helps any. If not any ideas? Any one else had this problem?


See if the noise changes at all when you put it in gear.

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