Yamaha YZF-R125 Service Manual: Checking the swingarm

Yamaha YZF-R125 Service Manual / Chassis / Swingarm / Checking the swingarm

1. Check:

Swingarm Bends/cracks/damage
Replace.

2. Check:

Pivot shaft Roll the pivot shaft on a flat surface.

Bends Replace.

WARNING

Do not attempt to straighten a bent pivot shaft.

Checking the swingarm

3. Wash:

Pivot shaft
Washer
Swingarm adjusting collar
Dust covers
Spacers
Bearings

4. Check:

Washer
Swingarm adjusting collar
Dust covers
Spacers

Oil seals Damage/wear Replace.

Bearings Damage/pitting Replace.

Removing the swingarm

1. Stand the vehicle on a level surface. WARNINGSecurely support the vehicle so that there is no danger of it falling over. NOTE: Place the vehicle on a suitable stand so that th ...

Installing the swingarm

1. Lubricate: Bearings Spacers Dust covers Pivot shaft 2. Install: Bearings "1" 2. Swingarm A. Left side B. Right side 3. Install: Swingarm adjusting collar "1" Swin ...

Other materials:

Replacing a turn signal light bulb
Remove the turn signal light lens by removing the screw. Screw Remove the burnt-out bulb by pushing it in and turning it counterclockwise. Insert a new bulb into the socket, push it in, and then turn it clockwise until it stops. Install the lens by installing ...

Changing the coolant
1. Remove: Lower side cowlings Refer to "GENERAL CHASSIS" on page 4-1. 2. Remove: Radiator cap "1" WARNINGA hot radiator is under pressure. Therefore, do not remove the radiator cap when the engine is hot. Scalding hot fluid and steam may be blown out, which c ...

Checking the piston pin
1. Check: Piston pin Blue discoloration/grooves Replace the piston pin and then check the lubrication system. 2. Measure: Piston pin outside diameter "a" Out of specification Replace the piston pin. 3. Measure: Piston pin bore diameter "b" Out of specifica ...