Cylinder Head Assembly: Description and Operation

The cylinder head is made of aluminum casting. The supporting part of the camshaft is an independent cap type. The combustion chamber has 4 valves and uses the center plug type pent roof shape for higher intake and exhaust efficiency.

As the intake side rocker arm is end pivot type, it swings according to the camshaft movement to open and close the intake valve.

On the other hand, the exhaust side rocker arm is seesaw type. It swings with the rocker arm shaft as its supporting point and according to the camshaft movement to open and close the exhaust valve.