Honda Nt 400 Bros MOT Pass Rate
Overall pass rate across all manufacture years, based on 50 real MOT test results. Failure rate: 18.0%.
Data from official DVSA MOT testing records
Honda Nt 400 Bros MOT Reliability Overview
The Honda Nt 400 Bros is a rare vehicle in the UK, with 50 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 82.0% and a failure rate of 18.0%, which is well above the UK average of approximately 37%.
Based on this data, the Honda Nt 400 Bros earns a "Excellent" reliability rating. The average Honda Nt 400 Bros presents for MOT with approximately 42,037 miles on the clock. The 1988 manufacture year performs best with a 83.3% pass rate.
The most common MOT failure for the Honda Nt 400 Bros is Motorcycle brakes, affecting 16.0% of all tests. 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. The second most common issue is Motorcycle lighting and signalling at 10.0%. Motorcycle structure and attachments rounds out the top three at 8.0%. 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 Brakes | 16.0% | 8 |
| 2 | Motorcycle Lighting And Signalling | 12.0% | 6 |
| 3 | Motorcycle Tyres And Wheels | 10.0% | 5 |
| 4 | Motorcycle Structure And Attachments | 8.0% | 4 |
| 5 | Motorcycle Lamps And Reflectors | 6.0% | 3 |
| 6 | Motorcycle Steering And Suspension | 6.0% | 3 |
| 7 | Motorcycle Drive System | 4.0% | 2 |
| 8 | Motorcycle Steering | 4.0% | 2 |
| 9 | Motorcycle Fuel And Exhaust | 2.0% | 1 |
| 10 | Motorcycle Tyres | 2.0% | 1 |
Failures per 10,000 Miles
avg. 42,037 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 brakes | 3.81 | 16.0% | 8 |
| Motorcycle lighting and signalling | 2.85 | 12.0% | 6 |
| Motorcycle tyres and wheels | 2.38 | 10.0% | 5 |
| Motorcycle structure and attachments | 1.90 | 8.0% | 4 |
| Motorcycle lamps and reflectors | 1.43 | 6.0% | 3 |
| Motorcycle steering and suspension | 1.43 | 6.0% | 3 |
| Motorcycle drive system | 0.95 | 4.0% | 2 |
| Motorcycle steering | 0.95 | 4.0% | 2 |
| Motorcycle fuel and exhaust | 0.48 | 2.0% | 1 |
| Motorcycle tyres | 0.48 | 2.0% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Honda Nt 400 Bros has 42,037 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 Nt 400 Bros has a mileage-adjusted failure rate of 4.28% per 10,000 miles driven. The average across all makes is 5.38%, so this model is better than average.
About Honda Nt 400 Bros MOT Data
The Honda Nt 400 Bros is a rare vehicle in the UK, with 50 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 82.0% and a failure rate of 18.0%, which is well above the UK average of approximately 37%.
For Honda Nt 400 Bros owners, these results suggest a reliable vehicle that generally passes its MOT without major issues. Focus your pre-MOT checks on motorcycle brakes and motorcycle lighting and signalling 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 Nt 400 Bros is likely to perform.
Motorcycle brakes — 16.0% of failures
Motorcycle brakes issues account for 16.0% of MOT failures on the Honda Nt 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 lighting and signalling — 10.0% of failures
Motorcycle lighting and signalling issues account for 10.0% of MOT failures on the Honda Nt 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 structure and attachments — 8.0% of failures
Motorcycle structure and attachments issues account for 8.0% of MOT failures on the Honda Nt 400 Bros. Motorcycle structure and attachments 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 Nt 400 Bros?
Based on 50 (based on limited data) MOT tests in our database, the Honda Nt 400 Bros has an overall pass rate of 82.0% (18.0% fail rate).
What are the most common MOT failures on a Honda Nt 400 Bros?
The top 3 reasons a Honda Nt 400 Bros fails its MOT are: 1. Motorcycle brakes (16.0%), 2. Motorcycle lighting and signalling (10.0%), 3. Motorcycle structure and attachments (8.0%). Check these areas before booking your MOT.
Is the Honda Nt 400 Bros reliable?
With a 18.0% MOT failure rate, the Nt 400 Bros is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Honda Nt 400 Bros?
Based on failure data, focus on: Motorcycle brakes (16.0%); Motorcycle lighting and signalling (10.0%); Motorcycle structure and attachments (8.0%). 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.