APRILIA MXV 450 - Owner's Manual download pdf (Page 93)

LUBRICATION

3-55

ine 450 - 550

3.5.2. CHECK

CLUTCH PLATES

• Rest the friction plates and steel plates on a flat surface

and check for cracks and deformation.

Allowed deformation, see (LIMIT VALUES CHART).

NOTE The steel plates should not be scratched or stained.

Check the clutch plates for wear measuring the complete

plate pack.

Do not measure the steel plates and the friction plates

separately, since this value is unimportant for wear check.

Plate pack value, see (LIMIT VALUES CHART).

CLUTCH SPRINGS

NOTE The following procedure applies to all clutch springs.

• Check the springs for damages and change all springs,

if needed.

• Measure the spring uncompressed length and change

all springs if necessary.

Clutch spring uncompressed length, see (LIMIT VALUES

CHART).

CHECKING THE CLUTCH HOUSING

Check the clutch housing for damages and wear that might

affect clutch operation. Change the housing if necessary.

Ensure that nail fastening between clutch housing and

primary drive gear is solid and resistant.

CHECKING THE PRIMARY DRIVEN GEAR

Check the primary driven gear for damages or wear and

change the primary drive driving gear and the clutch housing

as a set, if necessary.

Check that it is not excessively noisy during operation;

change primary drive driving gear and the clutch housing as a

set, if necessary.

CHECKING THE CLUTCH HUB

Check the clutch hub for damages and wear that might affect

clutch operation. Change the hub, if necessary.

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APRILIA MXV 450 - Owner's Manual Page 93