BSA A50
Real ownership data from 219 UK A50 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common A50 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | fail | 9.5% |
| Lights and indicators | fail | 8.2% |
| Other | fail | 3.3% |
| Tyres | fail | 3.8% |
| Electrical | fail | 2% |
| Steering and head bearings | prs | 1.1% |
| Suspension | fail | 4% |
| Fluid leaks | prs | 0.9% |
Advisories (wear noted but not failed) are excluded above; the most common is brakes.
A50 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 1970 | 14 | 12,708 mi | 211 | 91.3% |
| 1969 | 14 | 9,869 mi | 318 | 91.26% |
| 1968 | 13 | 6,640 mi | 148 | 92.86% |
| 1967 | 15 | 11,920 mi | 284 | 95.29% |
| 1966 | 14 | 20,471 mi | 316 | 88.51% |
| 1965 | 25 | 9,458 mi | 153 | 88.49% |
| 1964 | 28 | 18,846 mi | 109 | 92.5% |
| 1963 | 16 | 37,464 mi | 177 | 88.8% |
| 1962 | 21 | 15,106 mi | 141 | 92.04% |
A50 questions, answered with data
What are the most common problems with the BSA A50?
Across 219 UK examples, the most frequently recorded MOT faults are brakes (9.5% of all recorded faults), lights and indicators (8.2% of all recorded faults), other (3.3% of all recorded faults).
What is average mileage for a BSA A50?
The median BSA A50 in the UK has covered 12,304 miles, and typically rides about 177 miles a year. Half of all examples fall between 3,826 and 30,076 miles.
Is the BSA A50 reliable?
90.34% of BSA A50 MOT tests are passed first time, with an average of 0.4 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 219 BSA A50 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.