3－6
3.6 Carburetor
Idle speed
1. Start the engine and allow the engine to
warm to normal operating temperature.
2. With the engine idling, adjust the throttle
stop screw to obtain the recommended
engine idle speed.
Recommended idle speed: 1800 ± 50 rpm
3.7 Governor
1. Loosen the governor arm pinch bolt nut.
but do not remove it.
2. Move the governor arm anti clockwise to
fully open the throttle and hold it in this
position.
3. Rotate the governor arm shaft fully
clockwise and hold it there with a pair
of pliers. Tighten the governor arm
pinch bolt nut to 8 ft. lbs. (11N·m) to secure the
governor arm to the governor arm shaft.
4. Check to be sure the governor arm and
throttle valve move free
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General