Originally Posted by Garbln
Have you adjusted the cam chain tensioner? If not try that first. The problem isn't usualy the cam chain but the chain guides. The plastic on the guides wears away and the chain starts to wear on the aluminum. When changing the oil look for bits of black plastic in the oil and on the oil filter screen, thats a sign the guides are wearing away. Replacements are available from Mikes XS. Hope that helps.
Thanks for the reply, no nasties in the sump, & yes I've done the adjustments, just a bit of a mystery noise, one of those irritating ones!
Once I get a chance I'll rip the motor out & have serious look inside, maybe even pull the camchain out & compare it to a new one for stretch marks, etc.
1981 XS650SH "Tourer" [ For Sale - 2015],
1975 XS650B "Adventure" ['Kenny Krazyhorse'], 1982 XL500R 'Project' x2 [for sale], DT175 [new projects] x 2
Couldn't afford a 'GSA', so now it's an 'XSA'
"I didn't do it! & whoever said I did, is a liar!"