Derbi Dirtboy 10 Workshop Manual page 45

E E ENGINE
E NG I N E
Measure the distance between the outer rotor and the pump
body (see figure).
C
HARACTERISTIC
Maximum allowable clearance:
0,20 mm
Check the axial play of the rotors using a trued bar as shown
in the figure.
N.B.
ENSURE THAT THE TRUED BAR RESTS PROPERLY ON TWO
POINTS OF THE PUMP BODY PLANE.
C
HARACTERISTIC
Maximum allowable clearance:
0,09 mm
R
EFITTING
- Check that the pump cover is not worn or scored.
- If any measurement is not as specified, or if any part is
scored, replace the part or the assembly.
- Fit the oil pump to the crankcase and tighten the two fixing
screws with the prescribed torque.
- Ensure that the pulley rotates smoothly, with no jerks or
friction.
Locking torques (N*m)
Oil pump / crankcase fixing screws:
2 ÷ 3 Nm
45
- OIL PUMP
- OI L P UM P