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Maintenance
Spark Plug
For good performance, the spark plug must be properly gapped and free of deposits.
You
MUST
allow the engine to cool down before carrying out any maintenance.
1
Always use the correct spark plug.
2
To check the spark plug, remove the spark plug HT lead cap and remove the
spark plug with the spark plug wrench.
3
Remove spark plug using the supplied spark plug wrench.
4
Clean the spark plug electrode with a soft wire brush, making sure there is no damage to the
insulator or electrode.
5
The spark plug gap should be 0.70mm to 0.80mm. Check the gap by using a feeler gauge.
Adjust as necessary by carefully bending the side electrode to achieve the correct gap.
6
Refit the cleaned and adjusted spark plug by hand to avoid cross-threading.
7
After spark plug seats then tighten as necessary with a spark plug wrench but avoid
over-tightening.
8
Re-attach the spark plug cap.
9
46
0.028” to 0.031”
0.70mm to 0.80mm
