Rocker Arm Assembly: Description and Operation

Valve Rocker Assembly





^ The intake valve rocker arms and the exhaust valve rocker arms are installed on their own rocker shafts both of which are retained by the camshaft caps.
^ The valve end of each rocker arm is provided with valve rocker adjusting screw and nut. Turning of this screw adjusts the valve clearance.
^ The exhaust valve rocker arms are Y-shaped, and each arm operates two exhaust valves simultaneously
^ Each rocker shaft has an oil passage in it.