Yamaha YZF-R125 Service Manual: 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 shaft with the groove "a" in the inner rotor "1".
3. Check:
- Oil pump operation Refer to "CHECKING THE OIL PUMP" on page 5-49.
Checking the oil pump
1. Check:
Oil pump drive gear
Oil pump driven gear
Oil pump housing
Oil pump housing cover
Cracks/damage/wear Replace the
defective
part(s).
2. Measure:
Inner-rotor-to-outer-r ...
Installing the oil pump
1. Install:
Oil pump assembly
CAUTION:After tightening the screws, make sure
the
oil pump turns smoothly.
...
Other materials:
Installing the rear shock absorber assembly
1. Install:
Rear shock absorber assembly
Relay arm "1"
NOTE:
Install the relay arm as shown in the illustration.
2. Tighten:
Rear shock absorber assembly upper nut
Relay arm nut
Rear shock absorber assembly lower nut
3. Install:
Connecting arms
NOTE:
When ins ...
Checking the water pump
1. Check:
Water pump housing cover
Water pump housing
Cracks/damage Replace.
Impeller shaft
Cracks/damage/wear Replace.
Bearing
Rough movement Replace.
Radiator outlet hose
Cracks/damage Replace.
...
Checking the ignition timing
NOTE:
Prior to checking the ignition timing, check the
wiring connections of the entire ignition system.
Make sure all connections are tight and free of
corrosion.
1. Remove:
Rider seat
Left lower side cowling
Refer to "GENERAL CHASSIS" on page 4-1.
2. Remove:
Timing mark acces ...