Yamaha YZ250F(X) Owner's Service Manual page 113

REMOVING THE KICK SHAFT
ASSEMBLY
1. Remove:
• Kick shaft assembly "1"
Unhook the torsion spring "2" from
the hole "a" in the crankcase.
REMOVING THE SHIFT GUIDE
AND SHIFT LEVER ASSEMBLY
1. Remove:
• Bolt (shift guide)
• Shift guide "1"
• Shift lever assembly "2"
The shift lever assembly is disassem-
bled at the same time as the shift
guide.
REMOVING THE SEGMENT
1. Remove:
• Bolt (segment) "1"
• Segment "2"
Turn the segment counterclockwise
until it stops and loosen the bolt.
If the segment gets an impact, it
may be damaged. Take care not to
give an impact to the segment
when removing the bolt.
CHECKING THE KICK SHAFT AND
RATCHET WHEEL
1. Check:
• Ratchet wheel "1" smooth move-
ment
Unsmooth movement
• Kick shaft "2"
Wear/damage
• Spring "3"
Broken
CHECKING THE KICK GEAR, KICK
IDLE GEAR AND RATCHET
WHEEL
1. Inspect:
• Kick gear "1"
• Kick idle gear "2"
• Ratchet wheel "3"
• Gear teeth "a"
• Ratchet teeth "b"
Wear/damage
CHECKING THE SHIFT SHAFT
1. Inspect:
• Shift shaft "1"
Bend/damage
• Spring "2"
Broken
CHECKING THE SHIFT GUIDE AND
SHIFT LEVER ASSEMBLY
1. Inspect:
• Shift guide "1"
• Shift lever "2"
• Pawl "3"
• Pawl pin "4"
• Spring "5"
Wear/damage
CHECKING THE STOPPER LEVER
→
Replace.
1. Inspect:
KICK SHAFT AND SHIFT SHAFT
→
Replace.
→
Replace.
→
Replace.
→
Replace.
→
Replace.
→
Replace.
4-46
• Stopper lever "1"
→
Wear/damage Replace.
• Torsion spring "2"
→
Broken Replace.
INSTALLING THE SEGMENT
1. Install:
• Segment "1"
• Bolt (segment)
Bolt (segment):
30 Nm (3.0 m•kg, 22
ft•lb)
Align the notch "a" on the segment
with the pin "b" on the shift cam.
If the segment gets an impact, it
may be damaged. Take care not to
give an impact to the segment
when tightening the bolt.
INSTALLING THE STOPPER
LEVER
1. Install:
• Torsion spring "1"
• Stopper lever "2"
• Bolt (stopper lever) "3"
Bolt (stopper lever):
10 Nm (1.0 m•kg, 7.2
ft•lb)
Align the stopper lever roller with the
slot on segment.