Double-click here to change image
M20 ENGINE
!

MAGNETO DRIVE NUT
24-0195
!

Singles and twins

M20/21 VALVE COLLET
66-0222
!
bsam20klepspie

CRANKSHAFT RIVET
27-1239
!
Genuine BSA rivet for the singles  crankshaft.

PINCH BOLT FRONT FORKS
27-5135
!

OIL SEAL MAGDYNO DRIVE
65-2316
!
 3/4 X 1 1/2 X 3/8"

TAPPET HEAD IN M20/21
66-1497
!
New old stock.

SHORT MAGDYNO STRAP
66-2353
!
160MM

ENGINE YOKE PLATE BOLT M20/21
66-4098
!
New old stock.

BIGEND NUT
31-0298
!
NEW OLD STOCK

GUDGEON PIN M20/21
66-0953
!
19MM X 72,8MM

BSA BIGEND ROLLER
24-0375
!
24-0370 bigend roller for most BSA heavyweight singles 1/4 x 5/16”. You need 24 of these to fix your bigend bearing. Bag of 24.

M20/21 headgasket
66-0058
!