Helpful tips

How tight should cam chain?

How tight should cam chain?

For me on as fresh chain it should have no slack but very slight tension. If you lightly tap it it should not flutter but not be rigid. It’s hard really to describe, it’s more of a feel thing. It will stretch a bit once it runs so you don’t really want to start out with it loose.

How do you adjust a manual cam chain tensioner?

To set the tensioner adjustment, rotate the engine forward while screwing the tensioner bolt in. When you feel the engine tensioner parts (guide, rollers, etc.) make contact with the moving cam chain, back the tensioner bolt out 1/4 turn and tighten the jam nut.

How loose is too loose timing chain?

A simple test involving the amount of degrees you can move the crankshaft can also be a useful way of determining if you are having trouble with your timing chain. If it is more than 10 to 15 degrees, your chain is too loose.

Is my timing chain too loose?

When a timing chain is worn, it becomes loose. Because it is loose, it may cause a rattling sound from near the engine when the car is running. This is due to the loose chain vibrating when spinning from the crankshaft. This is a sign that the timing chain is near the breaking point and should be replaced promptly.

How do you adjust a manual cam chain tensioner KTM?

To manually adjust timing chain, screw the centre steel adjuster in (clockwise) by hand until finger tight. This is taking up the slack in the timing chain. The correct tension is when you tighten until you remove the side movement of the timing chain on the cam sprocket.

Does a loose timing chain make noise?

When the timing chain is loose, it can cause a vibration in the motor resulting in a rattling noise as the engine idles or when starting. If you hear a rattle, it means something is loose and needs to be fixed before it breaks.

What does a bad cam chain tensioner sound like?

Listen for a metallic sound that resembles a rattling or scrapping noise. The sound can be intermittent or constant, but it will be a metal to metal contact. Such a noise will reveal a loose timing chain hitting the inside of the timing chain cover every time it rotates. You might also hear a metallic slapping noise.