ANUAL SERVICE M

REMOVAL

Drain the coolant (page 7-7).

Remove the bolts, water hose joint and O-ring.

Remove the drain bolt and sealing washer. Remove the bolts and water pump cover.

Remove the O-ring and dowel pin.

Loosen the impeller.

Remove the right crankcase cover (page 11-5).

Remove the impeller, washer and water pump shaft from the right crankcase cover.

IMPELLER

WASHER

WATER PUMP SHAFT RIGHT CRANKCASE COVER

Check the water pump shaft for wear or damage.

Turn the inner race of the water pump shaft bearing with your finger.

The bearing should turn smoothly and quietly.

Also check that the bearing outer race fits tightly in the right crankcase cover.

Replace the water pump shaft bearing if the inner race does not turn smoothly, quietly, or if the outer race fits loosely in the right crankcase cover.

Check the mechanical seal for damage or deteriora­tion.

Replace the mechanical seal if necessary (page 7-12).