Yamaha TT-R125(M) Owner's Service Manual page 378

FRONT FORK
5. Install:
Oil seal 1
NOTE:
Apply the fork oil on the inner tube.
When installing the oil seal, use vinyl seat a
with fork oil applied to protect the oil seal lip.
Install the oil seal with its manufacturer's
marks or number facing upside.
Press the oil seal into the outer tube with fork
seal driver attachment (ø30) 2 and fork seal
driver weight 3.
Fork seal driver weight:
YM-33963/90890-01367
Fork seal driver attachment (ø30):
YM-33281/90890-01400
6. Install:
Stopper ring 1
NOTE:
Fit the stopper ring correctly in the groove in
the outer tube.
7. Install:
Dust seal 1
NOTE:
Apply the lithium soap base grease on the
inner tube.
8. Check:
Inner tube smooth movement
Tightness/binding/rough spots
Repeat the steps 2 to 7.
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