Yamaha YFM250XL(C) Service Manual page 194

6
MIDDLE GEAR SERVICE
3.Check:
Universal joints 1
Yoke 2
Bearings 3
Wear/Cracks/Damage → Replace.
4.Inspect:
Shift fork 4 1
On the dog clutch and shift lever contact
surfaces.
Wear/Chafing/Bends/Damage → Replace.
Spring 2
Wear/Damage → Replace.
Ball (stopper) 3
Wear/Damage/Scratches → Replace.
5.Inspect:
Guide bar
Roll the guide bar on a flat surface.
Bends → Replace.
WARNING
Do not attempt to straighten a bent guide
bar.
6.Check:
Shift fork movement
On its guide bar 1.
Unsmooth operation → Replace fork and/
or guide bar.
7.Inspect:
Stopper shaft 1
Shift lever 2
Shift lever shaft 3
Bends/Cracks/Damage → Replace.
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DRIV