9. MAINTENANCE
CARBURETOR ADJUSTMENT
1. Start the engine outdoors, and allow it to warm up to normal operating
temperature
B
Exhaust contains poisonous carbon monoxide, a colorless
and odorless gas. Breathing exhaust can cause loss of consciousness and
may lead to death. To keep exhaust gas from building up, provide adequate
ventilation.
2. Set the throttle lever in the SLOW ( -1 position.
3. Turn the pilot screw in or out to the setting that produces the highest idle
rpm. The correct setting will usually be approximately 2 turns out from the
fully closed position.
4. After the pilot screw is correctly adjusted, turn the throttle stop screw to
obtain the standard idle speed.
Standard idle speed: 2,000 + 150 rpm
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THROTTLE STOP
PILOT SCREW SCREW
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