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M20 GEARBOX

!

PAWL, TOP M20 GEARBOX
15-4141
!

BUSH FIRST GEAR
15-4227
!

BALL BEARING SLEEVE PINION

24-4065
!
Sleeve pinion, high gear or fourth gear on most 350-650 BSA's with separate gearbox.
Bearing type 6207 or LJ35
35 x 72 x 17mm

LAYSHAFT BUSH M20
24-4223
!

GEARBOX SPROCKET NUT
24-4226
!

BUSH
24-4241
!

GEAR CONTROL SHAFT BUSH
24-4245
!
On the inner cover

DOG CLUTCH HIGH AND LOW
24-4393
!
New Old Stock.

OVERSIZE KICKSTART COTTER PIN
57-4357
!

Replacement for used levers on used shafts.

GEARBOX SPROCKET M20 19T
65-3506E
!
Fits also B31/33 plunger frame models.
Gearbox sprocket for oil seal.
BSA part number 65-3506
Economy replacement.

KICKSTART SPRING M20/21, B PLUNGER MODELS
66-3058
!

KICKSTART RATCHET M20
66-3079
!
New Old Stock. Genuine BSA
Fits rigid frame gearboxes, M20/21 and  B31/32/33/34 rigid frame.