ORDER TO AVOID WRONG TIGHTENING AND CONSE-
QUENTLY DAMAGING THE CRANKSHAFT KNURLING.
Specific tooling
020451Y Starting ring gear lock
Locking torques (N*m)
Crankshaft pulley nut 18 to 20 + 90° Nm
For 25 km/h engine type versions, the limit washer is 5.5 mm thick
End gear
Removing the hub cover
- Drain the rear hub oil
- Remove driven pulley
- Remove the rear brake shoes
- Remove the 5 screws fixing the cover to the
crankcase
- Remove the cover with the wheel axle and pull it
out
- Remove the intermediate gear with the appropri-
ate shim washers
Removing the wheel axle bearings
- Remove the oil seal and the seeger ring.
- Fix the hub cover properly to avoid damaging the
sealing surface with the housing
- Remove the wheel axle bearing using the specific
tool
Specific tooling
020363Y 20-mm guide
020376Y Adaptor handle
Fly Engine
ENG - 71
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