Clutch and primary drive components.
Clutch - Primary Drive
| Model | Product Image | Product Name | Qty. | Price |
|---|---|---|---|---|
| BT-OF-B2/647 | ![]() |
Screws, clutch inspection cover, Norton (1947) Clutch worm inspection cover screws for Norton gearbox 1947 (pr). Original part numbers: B2/647; E5278; E3221;A11M/859;... |
0 | $6.00 ... more info |
| BT-OF-D12/647 | ![]() |
Screws, clutch inspection cover, Norton laydown gearbox (pr) Clutch worm inspection cover screws for laydown Norton gearbox (pair). Plated, 1/4 inch BSC x 1/2 inch filister head... |
16 | $8.00 |
| R-067883 / 24322 | ![]() |
Seal for washer, Norton primary case attachment Primary case attachment washer seal, Norton, for washer E6506. Introduced in 1963. Original part number: 067883; 24322 -... |
4 | $4.45 |
| EM047C-EM632 | ![]() |
Spring, engine cush drive, BSA A10 , A7 etc BSA engine cush drive spring for A7, A10 , . Original part number 67-2052 - Cush drive spring |
1 | $18.00 |
| BT-A2/473-21T (R-I21T) | ![]() |
Sprocket, engine, Norton OHV SV singles 1935 to 1948/49 21T Engine sprocket Norton (OHV SV not Inter) single with upright gearbox to 1948/49, 21T (pre laydown gearbox), offset... |
1 | $80.60 |
| BT-E2/473-21T (R-M21T) | ![]() |
Sprocket, engine, Norton OHV SV singles 1949/50 to 52, 21T, ld Engine sprocket Norton (OHV SV not Inter) single with laydown gearbox 1949/50 to 52, 21T. (Not for swing arm models).... |
4 | $105.30 |
| BT-H2/473(20T)-16821 (R-OES20T) | ![]() |
Sprocket, engine, Norton singles 1953+, 20T Engine sprocket Norton (OHV SV not Inter) single with laydown gearbox to 1953+, 20T. (Not for earlier plunger models)... |
0 | $105.30 ... more info |
| BT-H2/473(21T) (R-OES21T) | ![]() |
Sprocket, engine, Norton singles 1953+, 21T Engine sprocket Norton single with laydown gearbox, and swingarm 1953+, 21T (Not for earlier plunger models). Offset =... |
1 | $80.60 |





