Porsche 928S 1983 Driver Manual page 48

Manual gearbox
The fully synchronised gearbox permits
rapid gear changes without the need to
double declutch. Be sure however that the
clutch is fully depressed before engaging or
disengaging a gear.
The gear positions are shown in the diagram
on the right.
46
Reverse should only be selected after the
vehicle has come to a complete stillstand.
To shift from 1 st into reverse gear, the gearshift
lever must first be moved into neutral position
between 4th and 5th gear.
With the ignition on, the reversing lights
come on automatically when reverse gear is
selected.
Permissible rpm before shifting down.
5-4 gear
4 - 3 gear
3-2 gear
2-1 gear
4800 rpm
4800 rpm
4700 rpm
4400 rpm