PRE UNIT GEARBOX
!

BUSH KICKSTART SPINDLE
57-0023
!
The steel bush in the outer gearbox cover.

KICKSTART SPRING
57-0031
!
Pre units and 650/750 unit twins, all 3 cylinders

BUSH GEARCHANGE SPINDLE
57-0057
!
Steel bush in outer gearbx cover.

GEARCHANGE QUADRANT PLUNGER 4 SPEED
57-0406
!

GUIDE PLATE
57-0407
!

NUT GEARBOX SPROCKET
57-0440
!

RUBBER ON OPERATING LEVER
57-0495
!

GEAR LEVER PRE UNITS
57-1194
!
Diam. 19mm

HIGH GEAR BUSH
57-1370
!

SLICKSHIFT COVER KIT
57-1542X
!

GEARBOX ADJUSTER 1957-60
82-4422
!

GEARBOX SPROCKET PRE UNIT
SPRPU17T
!
Gearbox sprockets for all pre unit twins 1938-1962, please select the number of teeth
Triumph part numbers
18T  57-0471A
19T  57-1715