Factory oil is Shell Omala synthetic gear oil. 400ml. Other quality
gear oil is also suitable. Use Loctite master
gasket or similar to seal cases. Always polish shafts where the seals run.
Align cases using 2 5mm drill shanks. Pump generous amounts of lithium
grease into the universal boots prior to sealing with cable ties.
Usual time to disassemble, clean, fit new shafts, bearings and seals as
required will be 1 to 1.5 hours. Add .5hr to remove and replace Gearbox
from the scooter