Impeller; Oil-Seal Cover; Gears; Bearings - Yamaha 20C Service Manual

LOWR
INSPECTION
I53500-0

IMPELLER

1) Visually inspect the impeller for cracks, distor-
tion or burning. If any damage is found, replace
the impeller.
I54009-0

OIL-SEAL COVER

1) Using a soft brush and solvent, clean the oil-
seal cover.
2) Visually inspect the cover for cracks or corro-
sion. If a crack and/or excessive corrosion is
found, replace the oil-seal cover.
I54500-0

GEARS

1) Visually inspect the teeth and dogs on the
gears for cracks, peeling or distortion due to
gear-crashing. If damage is found on any of the
gears replace with new one.
I55000-0

BEARINGS

1) Inspect the bearings for pitting, scratching or
rumbling (which may be detected by turning the
bearing by hand), and replace them if they are
not in good condition.
155500-0

CLUTCH DOG AND COMPONENTS

1) Visually inspect the clutch dog, looking particu-
larly for rounding of the dog edge, cracks and
other signs of damage or wear. If the dog is
excessively rounded, inspect also the mating
gear, and replace both if necessary.
6-7
E