Derbi GPR 125 Racing Workshop Manual page 124

Reassemble the assembly, paying special attention to the tig-
htening of the fork stem, as well as the fitting of the oil seal,
putting a little oil on its edges and inserting it with the aid of
the special tool. Refill the hydraulic fluid and do not forget to
insert the preload bush between the spring and the closing
plug.
N.B.
TO FIT THE OIL SEAL, USE THE SPECIAL TOOL DESIGNED
SPECIALLY FOR THIS OPERATION (AS IN THE PHOTO).
Ø 40 fork oil seal fitting tool:
00H05100101
SUSPENSION
SEBAC
Fork elements tightening torques:
- Guide fork to the chassis
30-35 N.m (3 – 3.5 kgf.m)
- Top plate closing
17-19 N.m (1.7-1.9 kgf.m)
- Fork stem closing
17-19 N.m (1.7-1.9 kgf.m)
1. Refit all the components:
- Readjust forks to the chassis.
- Secure the top plate to the forks (bolts 1)
- Secure the top plate to the chassis (bolt 2)
- Refit the front fairing.
- Connect the headlight cables, the turn indicators and the
dashboard.
123
FREE LENGTH OF SPRING (MM)
851 ± 3
cm 3 OIL/ BAR TYPE OF OIL
340 C.C. SAE 7,5 W