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Maintenance
45
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 replace with the same model spark plug as fitted.
2
To check spark plug, remove spark plug cap and remove spark plug.
3
Visually inspect the spark plug and spark plug washer. If damaged or heavily worn then replace.
If reusable, glean the electrode with a soft brass brush to remove the carbon build up.
4
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.
5
Refit the cleaned and adjusted spark plug by hand to avoid cross-threading.
6
After spark plug seats then tighten as necessary with a spark plug wrench but avoid
over-tightening.
7
Re-attach the spark plug cap.
8
0.028” to 0.031”
0.70mm to 0.80mm
Spark Plug Cap
Spark Plug
