Table des Matières
Publicité
INSP
ADJ
GENERAL
3260
3270
INSPECTING THE SPARK PLUGS
1. Inspect:
• Electrodes 1
Cracks/excessive wear → Replace.
• Insulator color 2
Distinctly different color →
Check the engine condition.
Color guide
Medium to light tan color
Normal
Whitish color
• Lean fuel mixture
• Plugged jet(-s)
• Air leak
• Wrong setting
Blackish color
• Rich mixture
• Excessive oil usage
• Defective ignition system
• Defective spark plug
2. Clean:
• Spark plug
(with a spark plug cleaner or wire
brush.)
3. Measure:
• Spark plug gap a
Out of specification → Regap.
Spark plug gap
0.9 - 1.0 mm (0.035 - 0.039 in)
3-23
E
3
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