3. Spark plug service
Recommended
spark plug:
BPRGES (NGK)
W20EPR-U
(ND)
To ensure proper
engine operation,
the spark plug must be properly
gapped
and free of deposits.
1. Remove the spark plug.
M
If the engine has been running,
the muffler
will be very hot. Be
careful not to touch the muffler,
MUFFLE
2. Visually
inspect
the spark plug. Discard it if the insulator
is cracked or
chipped.
Clean the spark plug with a wire brush if it is to be reused.
3. Measure the plug gap with a feeler gauge. The gap should
be 0.7-0.8
mm
(0.028-0.031
in). Correct as necessary by bending the side electrode.
0.7-0.8
mm
(0.028-0.031
in)
18