Checking The Water Pump; Assembling The Water Pump - Yamaha FZ8NA Service Manual

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Table of Contents

DISASSEMBLING THE WATER PUMP

• Water pump seal "1"

Remove the water pump seal from the inside

of the water pump housing "2".

• Oil seal "1"

• Bearing "2"

Remove the oil seal and bearing from the out-

side of the water pump housing "3".

• Rubber damper holder "1"

• Rubber damper "2"

(from the impeller, with a thin, flat-head

screwdriver)

Do not scratch the impeller shaft.

CHECKING THE WATER PUMP

• Water pump housing cover "1"

• Impeller "2"

Cracks/damage/wear → Replace.

• Water pump housing "3"

Cracks/damage/wear → Replace the oil/

water pump assembly.

Rough movement → Replace.

• Water pump outlet pipe

• Water pump inlet pipe

Cracks/damage/wear → Replace.

• Bearing "1"

• Oil seal "2"

(into the water pump housing "3")

Installed depth "a"

17.2 mm (0.68 in)

Install the oil seal with a socket that matches

its outside diameter.