Yamaha YZF-R125 Service Manual: Oil pump

Installing the clutch

1. Install: Conical spring washer "1" NOTE: Install the conical spring washer as shown in the illustration. 2. Install: Clutch housing Thrust washer "1" NOTE: Be sure to instal ...

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 ...

Other materials:

Checking the friction plates
The following procedure applies to all of the friction plates. 1. Check: Friction plate Damage/wear Replace the friction plates as a set. 2. Measure: Friction plate thickness Out of specification Replace the friction plates as a set. NOTE: Measure the friction plate ...

Troubleshooting charts
Starting problems or poor engine performance Starting problems or poor engine performance Engine overheating WARNING Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be blown out under pressure, which could cause serious injury. Be ...

Indicator and warning lights
Indicator and warning lights Neutral indicator light"" Turn signal indicator light"" High beam indicator light"" Engine trouble warning light"" Coolant temperature warning light"" Turn signal indicator light"" This indicator light flashes when the turn signal switch is pushed t ...