Refitting The Transmission Cover - Derbi GP1 125-250 c.c. Workshop Manual

- Turn the engine by hand to obtain a minimum tension of
the belt.
CAUTION
IT IS VERY IMPORTANT TO INSTALL THE FIXED DRIVING
HALF-PULLEY WITH THE BELT TOTALLY FREE TO PREVENT A
FALSE LOCKING OF THE DRIVING HALF-PULLEY.
Specific tooling
020368Y driving pulley stop wrench
Locking torques (N*m)
Driving pulley screw 75 ÷ 83
- Pre-assemble the mobile half-pulley with the roller contrast
plate, placing the rollers in the specific slits with the larger
matching surface in contact with the pulley according to the
direction of rotation.
- Check that the roller contact plate exhibits no anomalies or
damages on the grooved profile.
- Install the group with the bushing on the driving shaft.
- Install the driven pulley/clutch/belt assembly on the engine.
R R
EFITTING THE TRANSMISSION COVER EFITTING THE TRANSMISSION COVER
- Check the presence of the 2 centring dowels and the co-
rrect installation of the sealing gasket for the oil sump on the
transmission cover.
- Replace the cover tightening the 10 screws at the prescri-
bed torque.
- Replace the oil loading cap/bar.
89