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Grinding noise in engine on 06 drz400sm

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I've done a lot of research and it seems like it could be the automatic cam chain tensioner failing and the timing on the cam chain got knocked out of wack. I ordered a MCCT and am going to set the cam chain back to normal timing (if it is out of wack).

 

Hope that is whats wrong and not my bottom end.

 

I found a video of another SM doing the same exact thing, this is how mine sounds and runs exactly  -> https://www.youtube.com/watch?v=DfRmHcOEwhA

 

Thank you in advance for any input you have!

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sounds worse than the cam chain tensioner. i'd do an oil change and look for evidence of unhappy bearings/bushings. 

 

while you're doing the cam chain tensioner, check for rotational play on the auto-decompression assembly. if it moves at all (rotating), cut it off before it assplodes. there are quite a few tutorials here on TT if you aren't sure about how to do it. 

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My bottom end is making a very similar noise, but not stopping

 

The guy who made the youtube vid says that he had to do a complete engine rebuild and replace the rod and cylinder  :cry:

 

Did you ever work out what YOUR problem was???

Edited by dr-z465

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