Idle Adjustment - Honda GX160 Operational Manual

6. After put back the spark plug, please screw it by professional wrench.
Install the used spark plug, press the washer , then screw more 1/8 to 1/4 circle.
Install the new spark plug, press the washer more 1/2 circle..
Important matters
The unscrewed spark plug may too hot and damage the gasoline engine.
7. Unload the spark plug cap.
Adjust the idle
1. Start the gasoline engine outdoor, and preheating the gasoline engine to normal running
temperature.
2. Put the throttle switch handle to the lowest speed
3. Adjustment the throttle switch stopper nuts to get the standard idle.
Standard idle: 1440 r/min
31