Yamaha YZF-R125 Service Manual: Water pump

Water pump


Water pump


Installing the thermostat
1. Install: Thermostat NOTE: Install the thermostat with its breather hole "a" facing up. 2. Install: Copper washer Coolant temperature sensor CAUTION:Use extreme care when ...

Disassembling the water pump
1. Remove: Water pump seal "1" NOTE: Remove the water pump seal from the inside of the water pump housing "2". 2. Remove: Bearing "1" NOTE: Remove the bearing from the outside of ...

Other materials:

Assembling the oil pump
1. Lubricate: Oil pump inner rotor Oil pump outer rotor Oil pump driven gear (with the recommended lubricant) 2. Install: Oil pump outer rotor Oil pump inner rotor "1" Oil pump driven gear Pin "2" NOTE: When installing the inner rotor, align the pin "2" in the oil pump sh ...

Checking the clutch boss
1. Check: Clutch boss splines Damage/pitting/wear Replace the clutch boss. NOTE: Pitting on the clutch boss splines will cause erratic clutch operation. Checking the pressure plate 1. Check: Pressure plate Cracks/damage Replace. Checking the clutch push lever and short clutch push ...

Checking the front brake hose
1. Check: Brake hose "1" Cracks/damage/wear  Replace. 2. Check: Brake hose holder "2" Loose connection Tighten the holder bolt. 3. Hold the vehicle upright and apply the front brake several times. 4. Check: Brake hose Brake fluid leakage Replace the da ...

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