Cam chain adjustment

[Gummerheed]

Hi everyone. I wonder if anyone can tell me how to adjust the cam chain on a Project Big One? I think I need to remove the bolt from the end of the pillar that sticks out the back of the cylinder block and then insert a small screwdriver and turn a recessed screw clockwise, but there is not much room to get the screwdriver in so I guess there is a special tool for it - am I right? Is the screwdriver a normal slot type and how much do I need to turn it? The cam chain is noisy at low revs and so I reckon it must be a bit loose even though the engine has only done less than 10,000miles. Any advice would appreciated - I have already removed the bolt once and it was not much fun replacing it so I only want to do it once more - and next time with the proper adjuster tool. Cheers.

[Spanners]

Hi there
Dont play with the cam chain tensioner, the tensioner is self adjusting so does not need adjustment. The bolt is for the tool to wind the tensioner off & lock it if you do valve clearance adjustment or engine strip, if your engine is noisey you have another problem. I have seen the tensioner break but is rare.
Regards Pete

[Gummerheed]

A belated thanks for the reply, Spanners. The noise is at low tick over but goes when the engine reaches about 1500RPM. I had read somewhere that the tensioner can stick and hence I thought that if I just loosened then retighened the tensioner it might sort of reinstate it and get the tensioner working again. It certainly sounds like a chain rattling around. Not sure what to do apart from giving it to a dealer. The bike runs very well and hardly has any miles on it.

[piston]

That could be starter sprag clutch rattling, came a cross that before on a CBR400....!