2012 YAMAHA YZ125LC clutch

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Page 61 of 168

YAMAHA YZ125LC 2012  Owners Manual 3-18
CHASSIS
LUBRICATION
To ensure smooth operation of all 
components, lubricate your machine 
during setup, after break-in, and after 
every race.
1. All control cable
2. Clutch lever pivot
3. Shift

Page 64 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-2
SEAT, FUEL TANK AND SIDE COVERS
REMOVING THE SIDE COVER
1. Remove:
• Bolt (side cover)
• Side cover (left and right) "1"
Draw the side cover downward to re-
move it because its claws "a" are i

Page 81 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-19
CLUTCH
CLUTCH
REMOVING THE CLUTCH
Order Part name Qty Remarks
Drain the transmission oil.Refer to "CHANGING THE TRANSMISSION 
OIL" section in the CHAPTER 3.
Bolt (brake pedal) Shift the brake pe

Page 82 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-20
CLUTCH
REMOVING THE CLUTCH BOSS
Order Part name Qty Remarks
1 Push rod 1 1
2 Circlip 1
3 Washer 1
4 Bearing 1
5Ball 1
6 Push rod 2 1
7 Nut (clutch boss) 1 Refer to removal section.
8 Lock washer

Page 83 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-21
CLUTCH
REMOVING THE CLUTCH BOSS
1. Remove:
•Nut "1"
• Lock washer "2"
• Clutch boss "3"
Straighten the lock washer tab and 
use the clutch holding tool "4" to hold 
the clutch boss.
A. For

Page 84 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-22
CLUTCH
2. Install:
• Thrust washer  [D=ø34 mm (1.34 
in)] "1" 
• Clutch boss "2"
3. Install:
• Lock washer "1" 
• Nut (clutch boss) "2"
Use the clutch holding tool "3" to hold 
the clutc

Page 85 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-23
KICK SHAFT AND SHIFT SHAFT
KICK SHAFT AND SHIFT SHAFT
REMOVING THE PRIMARY DRIVE GEAR
Order Part name Qty Remarks
Drain the transmission oil. Refer to "CHANGING THE TRANSMISSION 
OIL" section in

Page 89 of 168

YAMAHA YZ125LC 2012  Owners Manual 4-27
KICK SHAFT AND SHIFT SHAFT
3. Install:
• Kick shaft assembly "1"
• Apply the transmission oil on the 
kick shaft.
• Slide the kick shaft assembly into 
the crankcase, make sure the clip 
"2
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