Removing The Driving Pulley; Mixer Gears And Belt; Inspecting The Rollers Case - Derbi GP1 50 cc Workshop Manual

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EMOVING THE DRIVING PULLEY EMOVING THE DRIVING PULLEY
- Lock the pulley with the specific tool.
- Remove the central nut with the related washer, then remo-
ve the drive and the plastic fan.
- Remove the fixed half pulley.
- Remove the belt, washer and remove the mobile half pulley
with its bushing, being careful of the rollers and contrast pla-
te fitted loosely on it.
Specific tooling
020451y Drive pulley stop spanner
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IXER GEARS AND BELT IXER GEARS AND BELT
- Remove belt and gear
CAUTION
DO NOT TWIST OR BEND THE BELT WHEN REFITTING IT
CAUTION
BEFORE REFITTING THE BELT, CAREFULLY LUBRICATE THE
PIN AND THE MIXER DRIVE GEAR BUSHING WITH OIL, MA-
KING SURE THIS IS FREE FROM ANY LOAD.
N.B.
REPLACE THE BELT EVERY 20,000 KM.
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NSPECTING THE ROLLERS CASE NSPECTING THE ROLLERS CASE
1) Make sure that the bushing and sliding rings on the mobile
pulley are not lined or deformed.
2) Check the track where the rollers slide on the contact pu-
lley, there should not be any signs of wear and check the
conditions of the belt contact surfaces on the half pulleys
(mobile and stationary).
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