Maintenance Information; Troubleshooting - Sym Jet 50 Service Manual

8. FINAL DRIVING MECHANISM

Maintenance Information

Limited usage of gear oil¡ G gear oil #140
Recommended oil¡ G Bramax serial oil.
Oil quantity¡ G 120 c.c. (110 c.c. as replacement)
Special tools:
Inner type bearing puller (SYM-6204020)
Outer type bearing puller (SYM-6204010)
Final shaft oil seal installer (SYM-9125500)
Drive shaft oil seal installer (SYM-9120200)
Bearing driver 6204 (SYM-9110400)
Bearing driver 6201 (SYM-9610001)
Bearing driver 6203/6004UZ (SYM-9620000)
L. crank puller (SYM-1130000-L)
L. crank shaft install bush (SYM-1130010)

Troubleshooting

Trouble Diagnosis
Engine can be started but scooter can not be moved.
1. Damaged drive gear
2. Burnt out or seized drive gear
Noise
1. Seized, worn or damage gear
2. Worn or loose bearing
Gear oil leaks
1. Excessive gear oil.
2. Worn or damage oil seal
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