Honda Supra GTR150 2020, Owner'S Manual

Page: 58 / 118

Spark Plug
u
Checking Spark Plug
54
Ma
intenance
6. Disconnect the spark plug cap from the
spark plug.
7. Clean any dirt from around the spark plug
base.
8. Remove the spark plug using the spark
plug wrench and open end wrench
provided in the tool kit.
9. Inspect the electrodes and centre
porcelain for deposits, erosion or carbon
fouling.
u
If the erosion or deposit is heavy,
replace the plug.
u
Clean a carbon or wet-fouled plug with
a plug cleaner, otherwise use a wire
brush.
10. Check the spark plug gap using a wire-
type feeler gauge.
u
If adjustment is necessary, bend the
side electrode carefully.
Spark plug wrench
Spark plug cap Open end wrench
The gap should be:
0.8 to 0.9 mm (0.03 to 0.04 in)
20 FS150F (IN PH)-32K56B100.book Page 54 Wednesday, July 31, 2019 11:52 AM