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MAINTENANCE & CARE

SPARK PLUG MAINTENANCE

The spark plug is important for proper engine operation. A good spark plug should be intact, free of deposits,

and properly gapped. Refer to Recommended Maintenance Schedule in Figure 9. To inspect the spark plug:

1. Remove side panel.

2. Remove spark plug boot. Be careful not to tear insulation or wire.

3. Unscrew the spark plug from the engine using the spark plug wrench provided. There is limited space for the

wrench to turn. Use both rows of holes in the spark plug wrench to gain leverage to loosen the plug.

4. Visually inspect the spark plug for cracks or excessive electrode wear. Replace as necessary.

5. Measure the plug gap with a wire gauge. The gap should be 0.6-0.7 mm (0.024-0.028 in).

6. If re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base then re-gap the

spark plug.

7. Screw the spark plug back into the spark plug hole using the spark plug wrench. Do not over-tighten spark

plug. Recommended tightening of spark plug is ½ to ¾ of a turn after spark plug gasket contacts spark plug hole.

Reinstall the spark plug boot and control panel.

Figure 12 - Spark Plug Location

Spark Plug

Spark Plug Boot

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Wen 56200i Specifications

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