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To install the spark plug:1.Clean the gasket surface.
2.Wipe any dirt from the threads of the spark plug.
3.Screw the spark plug to the correct torque.
Spark plug tightening torque: 12.5 N·m (1.25 kgf·m, 9 ft·lb)
NOTE:
●Wipe off any water on the spark plug or inside the cap before installing the spark plug cap. Push the spark plug cap down until it is securely installed.
●If a torque wrench is not available when you are fitting a new spark plug, a good estimate of the correct torque is 1/4 turn to 1/2 turn past finger tight with the spark plug wrench included in the tool kit. Have the spark plug adjusted to the correct torque with a torque wrench as soon as possible.
WARNING
Be careful not to damage the insulator when removing or installing a spark plug. A damaged insulator could allow sparks to escape, which could lead to explosion or fire.
4.Install the air filter element in the air filter case, and then install the air filter case cover.