Little Help: MZ Skorpion Cam Chain

[keruxer]

Hi Guys;

I have some top end noise on a 97 skorpion 660 with about 25K miles on her. I thought it sounded like piston slap and then checked the cam chain tensioner. When I removed it I saw that it was at full extension. I am assuming then that the noise I am hearing is slack in the cam chain. If that makes sense can someone advise me as to where I can get a new cam chain and what else should/could be changed while I am in there? I really appreciate the help and advise.

[MZCountryRider]

Where are you located, so that we can recommend a source?

If I remember correctly, many engine parts are shared with the Yamaha 660 Raptor ATV, SZR 660 and XTZ660 Ténéré. So, a Yamaha dealer might be able to supply the needed parts. I'd replace the timing chain and both guides as well (numbers 12, 13 and 14 on the diagram linked to).

http://www.partsfish.com/oemparts/a/yam/5003915ff870021f60a0d4aa/camshaft-chain

[keruxer]

Thanks a lot charlie. I appreciate your help.

joe