INSP
ADJUS
SPARK PLUG INSPECTION
SPARK PLUG INSPECTION
3-12
3. Inspect:
Spark plug - Type
Incorrect => Change.
Standard spark plug:
DR8EA / NGK
CAUTION:
When removing the spark plug, take care
to prevent objects from falling into the
engine.
4. Inspect:
Electrodes 1
Wear/damage => Replace.
Insulator 2
Abnormal color => Replace.
Normal color: Brown, clear to medium
shade.
5. Clean the spark plug using a plug cleaner
or a wire brush.
6. Measure:
Electrode clearance a
Use a sheet gage or a cylindrical tip
gage.
Out of specification => Adjust.
1. Disconnect:
Spark plug cap 1
2. Remove:
Spark plug
Electrode clearance:
0.6 ~ 0.7mm
1
1
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