Honda 400 Bros MOT Pass Rate
Overall pass rate across all manufacture years, based on 54 real MOT test results. Failure rate: 24.1%.
Data from official DVSA MOT testing records
Honda 400 Bros MOT Reliability Overview
The Honda 400 Bros is a rare vehicle in the UK, with 54 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 75.9% and a failure rate of 24.1%, which is well above the UK average of approximately 37%.
Based on this data, the Honda 400 Bros earns a "Excellent" reliability rating. The average Honda 400 Bros presents for MOT with approximately 31,307 miles on the clock. The 1988 manufacture year performs best with a 65.6% pass rate.
The most common MOT failure for the Honda 400 Bros is Motorcycle lighting and signalling, affecting 20.4% 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. The second most common issue is Motorcycle brakes at 11.1%. Motorcycle drive system rounds out the top three at 9.3%. Together, these top 3 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 | 22.2% | 12 |
| 2 | Motorcycle Brakes | 11.1% | 6 |
| 3 | Motorcycle Steering And Suspension | 9.3% | 5 |
| 4 | Motorcycle Drive System | 9.3% | 5 |
| 5 | Motorcycle Tyres And Wheels | 5.6% | 3 |
| 6 | Motorcycle Structure And Attachments | 1.9% | 1 |
| 7 | Motorcycle Lamps And Reflectors | 1.9% | 1 |
| 8 | Motorcycle Fuel And Exhaust | 1.9% | 1 |
Failures per 10,000 Miles
avg. 31,307 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 | 7.10 | 22.2% | 12 |
| Motorcycle brakes | 3.55 | 11.1% | 6 |
| Motorcycle steering and suspension | 2.96 | 9.3% | 5 |
| Motorcycle drive system | 2.96 | 9.3% | 5 |
| Motorcycle tyres and wheels | 1.77 | 5.6% | 3 |
| Motorcycle structure and attachments | 0.59 | 1.9% | 1 |
| Motorcycle lamps and reflectors | 0.59 | 1.9% | 1 |
| Motorcycle fuel and exhaust | 0.59 | 1.9% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Honda 400 Bros has 31,307 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 Honda 400 Bros has a mileage-adjusted failure rate of 7.70% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Honda 400 Bros MOT Data
The Honda 400 Bros is a rare vehicle in the UK, with 54 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 75.9% and a failure rate of 24.1%, which is well above the UK average of approximately 37%.
For Honda 400 Bros 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 motorcycle brakes 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 400 Bros is likely to perform.
Motorcycle lighting and signalling — 20.4% of failures
Motorcycle lighting and signalling issues account for 20.4% of MOT failures on the Honda 400 Bros. 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.
Motorcycle brakes — 11.1% of failures
Motorcycle brakes issues account for 11.1% of MOT failures on the Honda 400 Bros. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).
Motorcycle drive system — 9.3% of failures
Motorcycle drive system issues account for 9.3% of MOT failures on the Honda 400 Bros. Motorcycle drive system 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 Honda 400 Bros?
Based on 54 (based on limited data) MOT tests in our database, the Honda 400 Bros has an overall pass rate of 75.9% (24.1% fail rate).
What are the most common MOT failures on a Honda 400 Bros?
The top 3 reasons a Honda 400 Bros fails its MOT are: 1. Motorcycle lighting and signalling (20.4%), 2. Motorcycle brakes (11.1%), 3. Motorcycle drive system (9.3%). Check these areas before booking your MOT.
Is the Honda 400 Bros reliable?
With a 24.1% MOT failure rate, the 400 Bros is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Honda 400 Bros?
Based on failure data, focus on: Motorcycle lighting and signalling (20.4%); Motorcycle brakes (11.1%); Motorcycle drive system (9.3%). 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.