Service Manual

Engine Idle Speed

1. Start the engine and allow it to warm to normal operating temperature.

2. With the throttle control in the idle position and the engine idling, adjust the throttle stop screw (A) to

achieve the recommended engine idle speed.

Engine Idle Speed: 1700 - 2000 RPM

Engine Operating RPM Adjustment

1. Properly set the governor zero point as shown in this manual.

2. Attached an appropriate tachometer to the engine.

3. Start and warm engine. Run engine at MAX RPM.

4. Adjust engine MAX RPM by turning the High Speed Setting Screw (B) located near the fuel pump asm.

Engine Operating RPM - 3350 - 3450 RPM (USA Specification)