Bsa Wdb40 MOT Pass Rate
Overall pass rate across all manufacture years, based on 49 real MOT test results. Failure rate: 2.0%.
Data from official DVSA MOT testing records
Bsa Wdb40 MOT Reliability Overview
The Bsa Wdb40 is a rare vehicle in the UK, with 49 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 98.0% and a failure rate of 2.0%, which is well above the UK average of approximately 37%.
Based on this data, the Bsa Wdb40 earns a "Excellent" reliability rating. The average Bsa Wdb40 presents for MOT with approximately 35,325 miles on the clock.
The most common MOT failure for the Bsa Wdb40 is Motorcycle lamps and reflectors, affecting 2.0% of all tests. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. 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
* 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 Lamps And Reflectors | 2.0% | 1 |
Failures per 10,000 Miles
avg. 35,325 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 lamps and reflectors | 0.58 | 2.0% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Bsa Wdb40 has 35,325 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 Wdb40 has a mileage-adjusted failure rate of 0.57% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Bsa Wdb40 MOT Data
The Bsa Wdb40 is a rare vehicle in the UK, with 49 MOT test results recorded in our database spanning 0 manufacture years. It has an overall MOT pass rate of 98.0% and a failure rate of 2.0%, which is well above the UK average of approximately 37%.
For Bsa Wdb40 owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle lamps and reflectors 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 Wdb40 is likely to perform.
Motorcycle lamps and reflectors — 2.0% of failures
Motorcycle lamps and reflectors issues account for 2.0% of MOT failures on the Bsa Wdb40. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Frequently Asked Questions
What is the MOT pass rate for the Bsa Wdb40?
Based on 49 (based on limited data) MOT tests in our database, the Bsa Wdb40 has an overall pass rate of 98.0% (2.0% fail rate).
What are the most common MOT failures on a Bsa Wdb40?
The top 1 reasons a Bsa Wdb40 fails its MOT are: 1. Motorcycle lamps and reflectors (2.0%). Check these areas before booking your MOT.
Is the Bsa Wdb40 reliable?
With a 2.0% MOT failure rate, the Wdb40 is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Bsa Wdb40?
Based on failure data, focus on: Motorcycle lamps and reflectors (2.0%). 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.