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E
INSP
ADJ
LOWER UNIT/GENERAL
(1) Remove the gear oil level check screw.
(2) Install the leakage tester into the check
hole.
(3) Apply the specified pressure.
NOTE:
The lower unit should hold the specified
pressure for 10 seconds.
Leakage tester
90890-06762
3205
GENERAL
CHECKING THE SPARK PLUGS
1. Check:
• Electrodes
1
Cracks/excessive wear
→
Replace.
• Insulator color
2
Distinctly different color
→
Check the
engine condition.
2. Clean:
• Spark plugs
(with a spark plug cleaner or wire
brush.)
Spark plug type
150 models: BKR6EKU
175, 200 models: BKR7EKU
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
3260R
Summary of Contents for Z150P
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