Yamaha YZF-R125 Service Manual: Checking the shift forks
The following procedure applies to all of the shift forks.
1. Check:
- Shift fork cam follower "1"
- Shift fork pawl "2"
Bends/damage/scoring/wear
Replace the shift fork.
2. Check:
- Shift fork guide bar
Roll the shift fork guide bar on a flat surface.
Bends
Replace.
| WARNING Do not attempt to straighten a bent shift fork guide bar. |
3. Check:
Shift fork movement
(along the shift fork guide bar)
Rough movement Replace the shift
forks
and shift fork guide bar as a set.
Transmission
...
Checking the shift drum assembly
1. Check:
Shift drum groove
Damage/scratches/wear Replace
the shift
drum assembly.
Shift drum segment "1"
Damage/wear Replace the
shift drum assembly.
Shift drum bearing "2" ...
Other materials:
Aftermarket Parts, Accessories, and Modifications
While you may find aftermarket products
similar in design and quality to
genuine Yamaha accessories, recognize
that some aftermarket accessories
or modifications are not suitable because
of potential safety hazards to you
or others. Installing aftermarket products
or having other modif ...
Checking the fuel line
1. Remove:
Left side panel
Refer to "GENERAL CHASSIS" on page 4-1.
2. Lift the fuel tank. (Do not disconnect the fuel
hose, drain hose
3. Check:
Fuel hose "1"
Cracks/damage → Replace.
Loose connection Connect properly.
4. Install:
Fuel tank
Refer to "FUEL TANK" on pa ...
Checking and lubricating the brake and shift pedals
Brake pedal
Brake pedal
Shift pedal
Shift pedal
The operation of the brake and shift
pedals should be checked before each
ride, and the pedal pivots should be lubricated
if necessary.
Recommended lubricant:Lithium-soap-based grease
...