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.
Cam chain is broken or cam is shot
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.
How to adjust timing chain Yamaha sr125
To adjust the cam chain on a Kawasaki Voyager 1200, first, ensure the engine is cool and remove the necessary covers to access the cam chain. Locate the tensioner and check if it's adjustable; if it is, use the appropriate tool to relieve tension and adjust it according to the service manual specifications. After adjustment, recheck the tension and ensure everything is properly aligned before reassembling the covers. Always refer to the specific service manual for detailed procedures and torque specifications.
I believe the cam chain tensioner on the 400ex is automatic, as with most if not all of the newer quads.
how do I adjust the cam timing chain
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.
how can you use the cam tensioner on a 325 magnum
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.
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