MAINTENANCE
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SPARK PLUG
Recommended spark plugs: E7RTC or other
equivalents.
An incorrect spark plug can cause engine damage.
1. Disconnect the spark plug cap, and remove any dirt from around the spark plug area.
2. Remove the spark plug with a spark plug wrench.
3. Inspect the spark plug. Replace it if the electrodes are worn, or if the insulator is cracked
or chipped. The gap should be 0.028 -0.031 in (0.70 - 0.80 mm). Correct the gap, if
necessary,
4. Install the spark plug carefully, by hand, to avoid cross-threading.
5. After the spark plug seats, tighten with a spark plug wrench to compress the water.
If reinstalling the used spark plug
，
tighten 1/8 - 1/4 turn after the spark plug seats.
If installing a new spark plug, tighten 1/2 turn after the spark plug seats.
6. Assemble spark plug.
Spark plug socket
