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4. LUBRICATION SYSTEM VITALITY 50
OIL PUMP (2-STROKE)
REMOVAL
Do not allow foreign matters to enter the
crankcase. Before removing the oil
pump, clean the oil pump and crankcase
surfaces.
Remove the met-in box ( 13-5), spark
plug cover ( 13-5), center cover ( 13-6).
Disconnect the oil pump control cable (3)
from the pump body.
Disconnect the oil inlet line (1) from the oil
pump.
Then, disconnect the oil outlet line (2).
Before disconnecting the oil line, clip
the oil line to avoid oil flowing out and
then plug the oil line after it is
disconnected.
Remove the two bolts and oil pump control
cable plate (1).
Pull up and remove the oil pump (2) from
the crankcase.
INSPECTION
Remove the oil pump and inspect the
following items:
· Weakened O-ring (1)
· Damage to crankcase mating surface
· Damage to pump body
· Control lever operation (2)
· Oil leaks through oil seals
· Worn or damaged pump pinion (3)
Do not disassemble the oil pump which
cannot be used after disassembly.
4-5