In order not to overload the engine and the mechanical box of Jill MC, it is necessary to switch gear at optimum speed. To this end, it is possible to follow such a rule:
For models with engine 1.3 l:
- From 1st to 2nd, or vice versa, at 24 km/h.
- From 2nd to 3rd, or vice versa, with 40 mph.
- From 3 to 4, or vice versa, with 64 km/h.
- From 4th to 5th, or vice versa, switching at 85 km/h.
For models with 1.5 or 1.6 litres:
- From 1st to 2nd, or vice versa, at 26 km/h.
- From 2nd to 3rd, or vice versa, with 46 mph.
- From 3 to 4, or vice versa, switching at 68 km/h.
- From 4th to 5th, or vice versa for 98 km/h.
