Bsa B25t MOT Pass Rate
Overall pass rate across all manufacture years, based on 33 real MOT test results. Failure rate: 9.1%.
Data from official DVSA MOT testing records
Bsa B25t MOT Reliability Overview
The Bsa B25t is a rare vehicle in the UK, with 33 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 90.9% and a failure rate of 9.1%, which is well above the UK average of approximately 37%.
Based on this data, the Bsa B25t earns a "Excellent" reliability rating. The average Bsa B25t presents for MOT with approximately 14,027 miles on the clock. The 1971 manufacture year performs best with a 90.9% pass rate.
The most common MOT failure for the Bsa B25t is Motorcycle lighting and signalling, affecting 12.1% of all tests. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Together, these top 1 failure categories account for a significant portion of all MOT failures for this model.
Top failures across all manufacture years combined. Individual year pages may show different top failures.
What Fails Most
Pass Rate by Manufacture Year
* High Fail Rate badge indicates an MOT pass rate below 65% (failure rate above 35%).
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Lighting And Signalling | 12.1% | 4 |
Failures per 10,000 Miles
avg. 14,027 miFor every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.
View as table
| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle lighting and signalling | 8.64 | 12.1% | 4 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Bsa B25t has 14,027 miles when tested for MOT.
📊 Mileage-Adjusted Failure Rate
How often this car fails MOT relative to how much it's driven — a fairer comparison than raw pass rate.
The Bsa B25t has a mileage-adjusted failure rate of 6.49% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Bsa B25t MOT Data
The Bsa B25t is a rare vehicle in the UK, with 33 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 90.9% and a failure rate of 9.1%, which is well above the UK average of approximately 37%.
For Bsa B25t owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle lighting and signalling and general vehicle condition for the best chance of a first-time pass. Use our detailed year-by-year breakdown and failure analysis below to understand how your specific B25t is likely to perform.
Motorcycle lighting and signalling — 12.1% of failures
Motorcycle lighting and signalling issues account for 12.1% of MOT failures on the Bsa B25t. Motorcycle lighting and signalling issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.
Frequently Asked Questions
What is the MOT pass rate for the Bsa B25t?
Based on 33 (based on limited data) MOT tests in our database, the Bsa B25t has an overall pass rate of 90.9% (9.1% fail rate).
What are the most common MOT failures on a Bsa B25t?
The top 1 reasons a Bsa B25t fails its MOT are: 1. Motorcycle lighting and signalling (12.1%). Check these areas before booking your MOT.
Is the Bsa B25t reliable?
With a 9.1% MOT failure rate, the B25t is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Bsa B25t?
Based on failure data, focus on: Motorcycle lighting and signalling (12.1%). These are the areas most likely to cause a fail. Also check all lights, tyres (minimum 1.6mm tread), and windscreen condition — these are quick wins that apply to all cars.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.