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1. SERVICING RULES
- Use original DERBI spare parts or the parts and lubricants recommended by DERBI.
Parts which do not comply with the DERBI design characteristics may cause damage
to the scooter.
- In cases where specified, use the special tools designed for this model.
- On reassembly always use new gaskets.
- When tightening up a series of screws of nuts, start first with the larger diameter
screws or start with those on the inside or centre of the part, and apply the full torque
specified in two or three diagonal passes.
- Before stripping any parts of the engine, clean it thoroughly to prevent dirt getting into
the inside of the engine.
- Before assembly lubricate all rubbing surfaces.
- After assembly and before running the engine, ensure that all parts have been correctly
fitted and function properly.
