Open type combustion chamber in an aluminum alloy piston. Cam shaft bush is of sintered type. Cast iron, detachable type to provide adequate cooling. Standard engine is fitted with best quality cast iron timing gears. Power take off is possible only from fly wheel end.
Fuel is supplied to the fuel pump by gravity feed.
Other parts are splash lubricated. Fixed speed centrifugal governor is mounted on the cam shaft gear wheel. Speed variation is controlled within limits. Engine is efficiently balanced with two balance weights bolted on crank shaft. Fly Wheel is balanced to give smooth operation to ensure long life of moving parts.