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8) If reinstalling the used spark plug, just more twist 1/8-1/4 turns.
1) The spark plug must be tightened securely, or it may become very hot
to damage the engine.
2) Only use recommended spark plug or the equivalent. Incorrect heat
range of the spark plug may damage the engine.
4. Idle speed adjustment of the carburetor
• Start the engine and preheat it to normal operating temperature.
• Adjust the throttle stopping screw to obtain minimum idle speed.
Minimum idle speed: 1,600(±100)rpm
MAINTENANCE
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