LOWER UNIT/GENERAL
INSP
ADJ
E
3-11
1
2
1
2
Spark plug
1. Remove:
9
Spark plug
2. Inspect:
9
Electrodes
1
Cracks/excessive wear
®
Replace.
9
Insulator color
2
Distinctly different color
®
Check the
engine condition.
Color guide:
Medium to light tan color:
Normal
Whitish color:
8
Lean fuel mixture
8
Clogged jet(s)
8
Wrong setting
Blackish color:
8
Rich mixture
8
Defective ignition system
8
Excessive idling
8
Wrong spark plug
GENERAL
Anode
1. Inspect:
9
Anode
1
(engine)
9
Anode
2
(lower unit)
Scales
®
Clean.
Oil/Grease
®
Clean.
Wear (1/2)/Damage
®
Replace.
c
C
Can not oil, grease or paint the anode, or it
will not operate properly.
8
Apply the specified pressure.
8
Check that the lower unit holes the
specified pressure for ten seconds.
NOTE:
Do not over-pressurerize the lower unit.
Excessive pressure may cause the air to
leak out.
Pressure:
100 kPa (1.0 kg/cm
2
, 14.2 psi)