Inspection Of Final Driving Mechanism; Bearing Replacement; Re-Assembly Of Final Driving - Sym Jet 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
Adapter
Final driven gear & shaft
Drive shaft
Driver
Punch guide
Drive shaft