BSA WM20 Used Gearbox Spares

This is a special page, solely listing spares for BSA WM20 Gearbox parts.

Parts are genuine unless stated reproduction.

Spares for other WW2 Military motorcycles can be found here.

WM20 GEARBOX ,GOOD CONDITION

GEARBOX , CASES CLEANED AND INTERNALS SEEM GOOD .

ONLY TESTED FOR 4 GEARS ON BENCH NOT RUNNING BIKE

gearbox adjuster fixed part bsa wm20

GEARBOX ADJUSTER ANCHOR

fits on gearbox plates and allows tie rod to adjust

bsa wm20 gearbox adjuster tie rod

GEARBOX ADJUSTER TIE ROD

good condition part.

bsa wm20 clutch centre castellated nut

clutch center nut . genuine , used

useable part , thread takes up well , often stripped !

bsa m20 gear indicator

gearbox, gear position indicator .

often missing part . good used condition

N.O.S gearchange pawl springs

N.O.S gearchange pawl springs

If your gearchange is sloppy these springs will help

N.O.S gearbox oil filler plug

N.O.S gearbox oil filler plug

Replace the chewed head!

Kickstarter Quadrant

Kickstarter Quadrant

Good condition

18 Tooth Gearbox Sprocket

18 Tooth Gearbox Sprocket

Genuine. Good condition

Pinion Sleeve

Pinion Sleeve

Complete

Gearbox Mainshaft

Gearbox Mainshaft

Good keyway