COOLING SYSTEM
7-10
WATER PUMP
MECHANICAL SEAL INSPECTION
Check for signs of seal leakage.
A small amount of "weeping" from the inspection
hole is normal.
MECHANICAL SEAL REPLACEMENT
Remove the right crankcase cover (page 13-4).
Remove the following:
– two bolts
– sealing washer
– water pump cover
– O-ring
– two dowel pins
Turn the water pump impeller with your finger. The
pump shaft should turn smoothly and quietly.
Replace the faulty part if the shaft do not turn
smoothly or quietly.
Hold the pump shaft tab securely and remove the
impeller/washer.
Remove the pump shaft and thrust washer from the
right crankcase cover.
COVER
O-RING
DOWEL PINS
BOLT BOLT/WASHER
The impeller has
left-hand threads.
Take care not to
damage the mating
surface of the
crankcase cover.
IMPELLER (left-hand threads)
WASHER
WASHER
SHAFT
TAB