| Smiths gauge numbers BSA preunit twin motorcycles | ||||
|---|---|---|---|---|
| Year | Model | top range (MPH or RPM) | Face Number | Source |
| 1957 | BSA A10 Super (not Road) Rocket USA | 120 | Speedo: 1450 S.546/3 | Ryan ---- RYLIZTHOMP at cs.com |
| 1958-1960 | BSA A10 Super Rocket USA | 120 | Speedo: SC3305/04 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1959 | BSA A10 Super Rocket USA | 120 | Speedo: S.546/3/N | the-mordor9 at hotmail.com (Jay Egan - 1959 A10 SR owner), 2003 |
| 1962 | BSA A10 Super Rocket USA | 140 | Speedo: SC3305/04SC5301/22 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1962 | BSA A10 Spitfire Scrambler | 140 | Speedo: SC3305/04SC5301/24 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1962-1963 | BSA Rocket Goldstar | 120 | Speedo: SC3305/04SC5301/03 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1963 | BSA A10 Rocket Goldstar & Scrambler, USA | 140 | Speedo: SC3305/04SC5301/23 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1957 | BSA A10 Super (not Road) Rocket USA | 8000 clockwise 2:1 | Tach: RC83 | Ryan -RYLIZTHOMP at cs.com |
| 1954-1959 | BSA A10 Road Rocket | 8000 clockwise 2:1 | Tach: RC83, RC1302/00, RC1309/00 | Accessory Mart Vintage Catalog Number 5, 1990 | 1959 | BSA A10 Super Rocket | 8000 clockwise 2:1 | Tach: RC83 | the-mordor9 at hotmail.com (Jay Egan - 1959 A10 SR owner), 2003 |
| 1961-1963 | BSA A10 Rocket Goldstar and Spitfire, USA | 8000 anti-clockwise 3:1 | Tach: RC 1303/03 | Accessory Mart Vintage Catalog Number 5, 1990 |
| 1961-1963 | BSA A10 Super Rocket, USA | 8000 anti-clockwise 3:1 | Tach: RC 1303/03 | Accessory Mart Vintage Catalog Number 5, 1990 |
