3-9
INSP
ADJ
E
OIL INJECTION SYSTEM/POWER UNIT
OIL INJECTION SYSTEM
Oil line inspection
Refer to “OIL TANK” in chapter 4.
POWER UNIT
Spark plug inspection
1. Inspect:
●
Electrodes
1
Damage/wear
→
Replace.
●
Insulator color
2
Distinctly different color
→
Check the
engine condition.
2. Clean:
●
Spark plug
(with a spark plug cleaner or wire
brush)
Color guide:
Medium to light tan color:
Normal
Whitish color:
Lean fuel mixture
Air leak
Incorrect settings
Blackish color:
Overly rich mixture
Electrical malfunction
Excessive oil use
Defective spark plug
3. Measure:
●
Spark plug gap
a
Out of specification
→
Regap.
Spark plug gap:
1.0 ~ 1.1 mm (0.039 ~ 0.043 in)
