Yamaha YZF-R125 Service Manual: Lock washers/plates and cotter pins
After removal, replace all lock washers/plates "1" and cotter pins. After the bolt or nut has been tightened to specification, bend the lock tabs along a flat of the bolt or nut.
Gaskets, oil seals and o-rings
1. When overhauling the engine, replace all
gaskets, seals and O-rings. All gasket surfaces,
oil seal lips and O-rings must be cleaned.
2. During reassembly, properly oil all mating
parts and be ...
Bearings and oil seals
Install bearings "1" and oil seals "2" so that the
manufacturer's marks or numbers are visible.
When installing oil seals "1", lubricate the oil seal
lips with a light coat of lithium-soap-based
...
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 ...
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 ...
Installing the front wheel (disc)
1. Install:
Front brake disc
NOTE:
Be sure to install the front brake disc with the
arrow mark "a" on the disc facing out.
Tighten the brake disc bolts in stages and in a
crisscross pattern.
2. Check:
Front brake disc
Refer to "CHECKING THE FRONT BRAKE
DISC" on page 4 ...