Awful engine knocking - Kawasaki Ninja 250R Forum
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post #1 of 2 (permalink) Old 07-22-2018, 04:38 PM Thread Starter
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Join Date: Jul 2018
Posts: 3
Unhappy Awful engine knocking

Hi Folks, nice to be here. I'm in a desperate state after owning this '07 250R since last summer it started to make an awful sound from the engine area which I recorded an audio clip of, taken while the bike was stationary.

The sound comes and goes but it is embarassing and sucks the joy out of riding. I would describe it as a clattering sound. It gets worse as the bike warms up and is more noticeable while downshifting. It persists at idle most of the time.

I took it to the shop, who did a carb sync (I had cleaned it last year) as well as adjusted the clutch grip cable and secured a loose exhaust shield, none of this has addressed the issue. They mentioned 'clutch basket' but I don't know how that could make such a sound without affecting the shifting, etc.

Any ideas what to look at next? Thanks so much!

Last edited by delimiter; 07-22-2018 at 04:41 PM.
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post #2 of 2 (permalink) Old 07-30-2018, 06:46 PM Thread Starter
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Join Date: Jul 2018
Posts: 3
Cam chain

It was the cam chain tensioner. I took it out, cleaned it up and it's running/sounding much better now. There's a youtube video of the procedure here
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