Water Pump Housing; Impeller; Oil-Seal Housing (Water Pump Housing); Gear - Yamaha 50G Service Manual

LOWR
INSPECTION
153000-0

WATER PUMP HOUSING

1. Inspect the water pump housing for
signs of twisting or scratches of the
inner cartridge. If twisted or scratched
excessively, replace the housing.
2. During the above operation, inspect the
impeller plate and replace this if dam-
aged.
153500-0

IMPELLER

1. Visually inspect the impeller for cracks,
distortion or burning. If any damage is
found, replace the impeller.
154000-0
OIL-SEAL HOUSING
(Water pump housing)
1. Using a soft brush and solvent, clean
the oil-seal housing.
2. Visually inspect the housing for cracks
or corrosion. If a crack and/or excessive
corrosion is found, replace the oil-seal
housing.
154500-0

GEAR

1. Visually inspect the teeth and dogs on
the gears for cracks, peeling or distor-
tion due to gear-crashing. If damage is
found on any of the gears, replace with
a new one.
155000-0

BEARING

1. Inspect the bearings for pitting, scratch-
ing or rumbling (which may be detected
by turning the bearing by hand), and
replace them if they are not in good
condition.
6-10
E