Power Unit; Spark Plug Inspection - Yamaha WaveRunner XL1200Ltd Service Manual

INSP
ADJ
OIL INJECTION SYSTEM/POWER UNIT
1. Bleed:
Air
Air bleeding steps:
Place rags around the air bleed screw
1 to catch any oil that might spill.
Fill the oil tank with oil.
Recommended engine oil:
YAMALUBE 2-W oil only
Loosen the air bleed screw 1 two full
turns and make sure that both the oil
and air bubbles flow out.
When there are no air bubbles left,
tighten the air bleed screw.
Wipe up any spilt oil.
Screw:
5 Nm (0.5 m • kg, 3.6 ft • lb)

POWER UNIT

Spark plug inspection

1. Inspect:
Electrodes 1
Damage/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
Air leak
Incorrect settings
Blackish color:
Overly rich mixture
Electrical malfunction
Excessive oil use
Defective spark plug
2. Clean:
Spark plug
(with a spark plug cleaner or wire
brush)
3-11
E