Chain-Tensioner has function to control Tension of Timing Chain
that transfer power of Cam axis, crank axis, and oil pump axis. And
there is the Cam that control Timing and control Chain Tension
between Cam and Cam. Timing, such as time to open-close Engine ignition time
inhalation-ventilation valve, fuel injector, etc, has great
influence on the Tension change of Chain which transfer follower.
So, the function is very important. It is an important part that
has noise and vibration of Chain and endurance improvement function
as a combination of Chain, Lever, Guide, etc.
