Suzuki GN125F Service Manual page 54

Drive plate claw width limit: 11.0 mm
Measure each driven plate for distortion with a thickness
gauge. Replace all driven plates if any of them exceeds the
limit.
09900 20803: Thickness gauge -
Driven plate distortion limit: 0.1 mm
Replace the drive and drive plates as a whole set which
exceed the limit.
Measure the clutch spring free length.
Clutch spring free length limit: 29.45 mm
09900 20103: Vernier calipers -
Replace all the springs if any spring is not within the
limit.
Inspect the clutch release bearing for any abnormality, parti-
cularly cracks, to decide whether it can be reused or should
be replaced.
Smooth engagement and disengagement of the clutch de-
pend on the condition of this bearing.
Primary driven gear is composed as shown.
Primary driven gear
1
2 Damper
3
Plate
If the internal damper wears the play is generated between
gear and housing, causing abnormal noise. If the play is too
big, replace the primary driven gear assembly with a new one.
ENGINE
4
Rivet
5 Clutch housing
,
3-23
Checking claw width
Checking distortion