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:

Main switch/steering lock
Main switch/steering lock The main switch/steering lock controls the ignition and lighting systems, and is used to lock the steering. The various positions are described below. ON All electrical circuits are supplied with power, the meter lighting, taillight, license plate light and ...

Checking the thermostat
1. Check: Thermostat Does not open at 80.5-83.5 C (176.9-182.3 F)  Replace. a. Suspend the thermostat "1" in a container "2" filled with water. b. Slowly heat the water "3". c. Place a thermometer "4" in the water. d. While stirring the water, observe the thermostat and th ...

Front wheel
To remove the front wheel WARNING To avoid injury, securely support the vehicle so there is no danger of it falling over. Loosen the front wheel axle pinch bolt, then the wheel axle and the brake caliper bolts. Front wheel axle pinch bolt Lift the front wheel of ...