Sym MAXSYM 400i Service Manual page 21

1. General Information
E. CLUTCH AND DRIVING PULLEY
FAULT CONDITION
Engine can be started but the
vehicle cannot run
Engine shuts down or trembles
when the vehicle is running
(rear wheel rotates during
engine idling).
Poor initial driving (poor
climbing performance)
1-16
To this chapter contents
PROBABLE CAUSES
1. Worn out or damaged drive belt
2. Damaged movable drive face
3. Damaged driven face spring
4. Broken clutch weight
5. Broken drive shaft groove
6. Worn out or damaged transmission
gear
1. Broken clutch spring
2. Clutch outer stuck with clutch weights
3. Connection parts between clutch and shaft worn
out or burned
1. Worn or deformed drive belt
2. Worn weight roller
3. Worn driven face
4. Deformed driven face spring
5. Grease on drive belt or drive / driven
face