12. COOLING SYSTEM GRAND DINK 250
Install the water pump shaft and shaft inner Snap Ring Water Pump Shaft
bearing into the waster pump assembly.
Install the snap ring to secure the inner
bearing properly.
Inner Bearing
Bolts
Install the dowel pins and a new gasket and
then install the water pump assembly to the
right crankcase cover.
Tighten the eight bolts to secure the right
crankcase cover.
When installing the water pump
assembly, aligning the groove on the
water pump shaft with the tab on the oil
pump shaft.
Water Pump Assembly
Mechanical Seal
WATER PUMP/IMPELLER
INSTALLATION
When the mechanical seal is replaced, a
new seal washer must be installed to the
impeller.
Impeller Seal Washer (Porcelain)
12-13