Yamaha YFM250XL(C) Service Manual page 140

4
INSPECTION AND REPAIR
2.Inspect:
Gears (transmission 1 and drive pinion 2)
Mating dogs
Cracks/Damage/Wear → Replace.
NOTE:
When the drive pinion gear is replaced, be
sure to adjust the drive pinion gear shim(s),
refer to the "DRIVE TRAIN-MIDDLE GEAR
SERVICE" section in CHAPTER 6.
3.Check:
Gear movement (transmission)
Unsmooth operation → Replace.
Shift shaft and stopper lever
1.Inspect:
Shift shaft 1
Shift pawls 2
Bend/Wear/Damage → Replace.
2.Inspect:
Stopper lever 3
Roller turns roughly → Replace.
Bend/Damage → Replace.
3.Inspect:
Torsion spring 4 (shift shaft)
Spring 5 (shift pawls)
Return spring 6 (stopper lever)
Wear/Damage → Replace.
Shift guide
1.Inspect:
Shift guides 1
Ball holder/Ball 2
Spring 3
Wear/Cranks/Damage → Replace.
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ENG