Yamaha TTR250L Service Manual page 137

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INSPECTION AND REPAIR
2.Inspect:
Shift cam groove 1
Shift cam segment 2
Wear/damage → Replace.
3.Check:
Shift fork movement
Unsmooth operation → Replace shift fork
and/or guide bar.
4.Check:
Guide bar
Roll the guide bar on a flat surface.
Bends → Replace.
WARNING
Do not attempt to straighten a bent guide
bar.
5.Measure:
Runout (drive axle and main axle)
Out of specification → Replace.
Runout:
Less than 0.08 mm (0.003 in)
WARNING
Do not attempt to straighten a bent axle.
6.Inspect:
Gear teeth
Blue discoloration/pitting/wear → Replace.
Mated dogs
Rounded edges/cracks/missing portions
→ Replace.
4 - 32
ENG

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