Suzuki RM125 - Water Pump; Removal; Inspection

COOLING SYSTEM 12-5
WATER PUMP
REMOVAL
• Drain the engine coolant. (12-3)
• Drain the transmission oil. (2-9)
• Remove the kick starter lever. (8-3)
• Remove the brake pedal. (5-5)
• Disconnect the radiator hose 1.
• Remove the water pump cover 2.
• Remove the right crankcase cover and clutch cover.
• With the water pump shaft 3 held immovable, remove the
water pump impeller 4.
INSPECTION
IMPELLER AND GEAR SHAFT
• Inspect the impeller and gear shaft for damage.
WATER PUMP BEARING
Inspect the inner race play of the water pump bearing while it is
in the water pump housing. Rotate the inner race by finger to
inspect for abnormal noise and smooth rotation. If abnormal
noise occurs or if rough movement is noted, replace the water
pump bearing with a new one.
CAUTION
The impeller 4 has left-hand threads.
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