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I recently purchased a super clean c220 very well cared for? It suddenly wouldn't start one morning and upon looking into the oil fill cap I could see the cam wasn't moving??
I thought the chain tensioner failed or the chain let loose.I ordered a book (Haynes) read all I could before removing the valve cover for inspection. Now opened I wasn't disappointed by how clean it was. That said ,the chain was still attached but when I rotated the crankshaft to 20atdc I noticed the intake cam did not turn??? The gear turns along with the exhaust cam , but no intake cam movement at all.
I've read about the magnetic advance,etc. but still can'y grasp whats happened. No valve bang , no weird sounds when I had cranked it to find the no start? When I had parked it all was well ? ,I'm baffled , Can anyone enlighten me?? Thank you in advance !!
 
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