Yamaha YZ250F Owner's Service Manual page 173

KICK SHAFT AND SHIFT SHAFT
REMOVAL POINTS
Kick shaft assembly
1. Remove:
NOTE:
Unhook the torsion spring 2 from the hole a
in the crankcase.
EC4C3101
Shift guide and shift lever assembly
1. Remove:
NOTE:
The shift lever assembly is disassembled at
the same time as the shift guide.
EC4N3100
Segment
1. Remove:
NOTE:
Turn the segment counterclockwise until it
stops and loosen the bolt.
INSPECTION
Kick shaft and ratchet wheel
1. Check:
EC4C4300
Kick gear, kick idle gear and ratchet wheel
1. Inspect:
4 - 73
• Kick shaft assembly 1
• Bolt (shift guide)
• Shift guide 1
• Shift lever assembly 2
• Bolt (segment) 1
• Segment 2
• Ratchet wheel 1 smooth movement
Unsmooth movement → Replace.
• Kick shaft 2
Wear/damage → Replace.
• Spring 3
Broken → Replace.
• Kick gear 1
• Kick idle gear 2
• Ratchet wheel 3
• Gear teeth a
• Ratchet teeth b
Wear/damage → Replace.
ENG