A timing chain synchronizes the rotation of the crankshaft and camshaft(s) ensuring proper timing and allows the engine's valves to open and close during each cylinder's firing. The chain is located inside of the engine and needs to be lubricated by the oil in the engine, making oil maintenance important as well.

This cam chain will fit 250cc motorcycle engines with the following code:

This cam chain will fit 250cc motorcycle engines with the following code

K172FMM