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Thanks for that, I am definately missing that big fat copper washer!!

Hi guys, I think your right, it was a combination of chain tension and not having that damper washer. Im assuming that the washer goes between the spring and the threaded section...?

Right. How about this then. TC lent me a spare head and rocker cover, which had all the valves, springs etc in it. So i stuck that on my engine, but i still used my camshaft....it still clicked. So now im like 'what the hell' cos I thought i had got it pinned down to those valve springs, but no...

Thanks for the input guys, Im fairly certain that its nothing to do with the rings or pistons, as the noise doesnt occur when the rocker cover has been removed (just chain and camshaft turning). It only happens when the exhaust valves are in use, sticking my fingers in confirms this! I have...

Thanks guys, bob over to my thread in the engine section to see some video's!!

Thanks for the comments guys!! I did put the washers back in under the springs. Valev clearances are as in the Haynes manual, but that doesnt seem to make much difference...I need to investigsate it further. I just lapped the valves in with some grinding paste. Rockers dont have any...

Hi all, hopefully you can help me with my engine problem... I stripped the top end, put on some new piston rings and re-seated the valves. I then reassembled everything and put the bike back together. I did manage to get the bike running but there was a loud knocking/clicking type noise with...

Hi guys, Im from Yorkshire, UK. Ive bought a stock 1980 XS650 at the end of last year with the hope of turning it into a little chopper. Check out my blog to see what ive been upto..http://holmevalleycustoms.blogspot.com/ I have been having a bit of trouble recently, so Im going to post in...