The cam chain on xr250's are adjusted automaticly by a mechanism inside the engine, so there is no way to manually tighten it. If your engine is making a rattling sound, then your cam chain may need replacing as they do wear out over time which makes them longer
How to adjust timing chain Yamaha sr125
The way to adjust cam chain on TTR 125 is by putting the chain on the cam sprocket and making sure that it is the same. You can also remove and reset it as well.
You will need to remove the clyinder head to gain access to the tensioner and guide, they should then lift out Hope this helps Andy Do you remove the top cam chain sprocket or does tensioner come out another way
how do I adjust the cam timing chain
I believe the cam chain tensioner on the 400ex is automatic, as with most if not all of the newer quads.
how can you use the cam tensioner on a 325 magnum
you can't : On the '97 Twin cam engine the cam chain tensioner depends on oil pressure. I had a problem that with 200,000 miles the chain had stretched farther than the tensioner could handle and had to replace the cam chain.
No Harley Sportster has ever had a cam chain. The camshafts are gear driven, directly off the crank. No tension adjustment required.
You cannot adjust the tensioner. It is automatic, and takes out the slack of a stretching/aging cam chain. Once the tensioner has fully extended, the only fix is to replace the chain and the part of the tensioner the chain rides on if it is worn.
You don't. The YFM225 uses an automatic chain tensioner that helps to take up the slack on the cam chain. If you are getting chain slap, then either the chain is stretched or the tensioner is not functioning correctly. In both cases, the parts should be replaced. You cannot repair a non-functioning auto tensioner, nor can you remove links from a stretched cam chain.
cam chain
It has an automatic adjuster on it. The issue comes when it becomes extended as far as it will go and the chain becomes loose and wears against the inside of the motor.