Derbi GPR 125 Racing, Workshop Manual

Page: 120 / 247

4 - ENGINE
120
ASSEMBLING THE ENGINE
1. Fit:
- The secondary shaft (1).
- The primary shaft (2).
2. Fit:
- The gear selector drum (3).
3. Fit:
- The 2 gear selector fork shafts.
Long shaft (4).
Short shaft (5).
- The 3 gear selector forks (6).
APPLY ENGINE OIL TO THE
GEARBOX PARTS AS A WHOLE
BEFORE CLOSING THE SEMI-
CRANKCASES.
4. Fit:
- Crankshaft (7).
TO AVOID SCRATCHING THE
CRANKSHAFT AND TO AID
FITTING, APPLY GREASE TO
THE EDGES OF THE OIL SEAL,
AND ENGINE OIL TO THE
BEARINGS.
APPLY ENGINE OIL TO THE
CRANKSHAFT THROUGH THE
GREASING ORIFICE (A).
2
1
3
6
5
6
4
7
A
N.B.
N.B.