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SPARK PLUG
CAUTION
The spark plug must be tightened with a torque of 12-15Nm otherwise the engine
could overheat causing damage.
Only complete the following steps once the engine has been turned off and allowed
to cool.
7.0
Carefully remove the spark plug HT lead cap (1).
7.1
Unscrew the spark plug in an anti-clockwise direction using the plug wrench
provided (2).
7.2
Remove the spark plug and ensure no dirt or debris can enter the cylinder bore (3).
7.3
Inspect the spark plug and if it shows signs of damage or heavy wear, replace
immediately.
7.4
Remove carbon deposits from the spark plug using a soft wire brush.
7.5
The spark plug gap should be 0.6-0.7mm.
Check the gap using a feeler gauge and adjust as necessary by carefully bending
the side electrode to achieve the correct gap.
7.6
Check the spark plug compression washer for damage and replace if necessary.
7.7
Refit the spark plug by hand to avoid cross threading.
7.8
Tighten the spark plug to a torque of 12-15Nm.
7.9
Reattach the spark plug HT lead cap.
0.6 – 0.7mm
19
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