Clutch / Driven Pulley - Sym Mio 50 Service Manual

8. V-Belt Drive System / Kick Starter

Clutch / Driven Pulley

Disassembly
Remove drive belt and clutch / driven pulley.
Install clutch spring compressor onto the pulley
assembly, and operate the compressor to let nut
be installed more easily.
Caution
Do not press the compressor too much.
Hold the clutch spring compressor onto bench vise,
and then remove mounting nut with special nut
wrench.
Release the clutch spring compressor and remove
clutch and spring from driven pulley.
Special Service Tool:
Clutch spring compressor
Clutch mounting nut wrench SYM-9020200
Remove oil seal collar from driven pulley.
Remove guide pin, guide pin roller, and sliding
driven face, and then remove O-ring & oil seal
seat from sliding pulley.
Inspection
Clutch outer
Measure the inner diameter of clutch outer friction
face. Replace the clutch outer if exceed service
limit.
Service limit:
HU01U/W 112.5mm
HU05U 107.5mm
8-10
To this chapter contents
SYM-2301000
Special nut wrench
Clutch spring compressor
Oil seal collar
Sliding driven face
O-ring
Inner
diameter
Guide pin
Oil seal
Guide pin roller
Clutch outer