I have a light "thump" in the bottom and of my 89 750 Kat. It mostly goes away when I pull in the clutch. Could it be the clutch or something more sinister.
There is no abnormal vibration or noise when the engine is revved. It is only noticeable at idle.
There is no abnormal vibration or noise when the engine is revved. It is only noticeable at idle.
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