Bearing Replacement; Re-Assembly Of Final Driving Mechanism - Sym RS-50 Service Manual

8. FINAL DRIVING MECHANISM
Inspection of Final Driving
Mechanism
Check if the drive shaft, counter shaft and final
gear shaft are worn or damage.
Check if the gear box cover bearing, oil seal and
the inner diameter of counter shaft are worn or
damage.
Check if the left crankcase cover bearing, oil seal
and the inner diameter of countershaft are worn or
damage.

Bearing Replacement

Caution
Never install used bearings. Once bearing
removed, it has to be replaced with new one.
Remove gear box bearing from left crankcase and
gear box cover using following tools:
Special tool:
Inner type bearing puller
Re-Assembly of Final Driving
Mechanism
Re-assemble the gearbox cover and left
crankcase with special tools:
Special tool:
Gear Box Cover
Final shaft bearing:
Bearing driver 6203/6004UZ (SYM-9620000)
Bearing driver 6201 (SYM-9610001)
Final shaft oil seal installer (SYM-9125500)
Left Crankcase
Drive shaft bearing:
Bearing driver 6203/6004UZ (SYM-9620000)
Bearing driver 6201 (SYM-9610001)
L. crank puller (SYM-1130000-L)
L. crank shaft install bush (SYM-1130010)
Drive shaft oil seal installer (SYM-9120200)
With the special service tools to install drive shaft
by through the bearing.
Install a new drive shaft oil seal.
Install a new final shaft oil seal.
8-4
This chapter Contents
Countershaft
Final driven gear & shaft
Drive shaft
Adapter
Driver
Punch guide
Drive shaft