Triumph Blazer MOT Pass Rate
Overall pass rate across all manufacture years, based on 38 real MOT test results. Failure rate: 13.2%.
Data from official DVSA MOT testing records
Triumph Blazer MOT Reliability Overview
The Triumph Blazer is a rare vehicle in the UK, with 38 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 86.8% and a failure rate of 13.2%, which is well above the UK average of approximately 37%.
Based on this data, the Triumph Blazer earns a "Excellent" reliability rating. The average Triumph Blazer presents for MOT with approximately 5,816 miles on the clock. The 1971 manufacture year performs best with a 88.2% pass rate.
The most common MOT failure for the Triumph Blazer is Motorcycle lighting and signalling, affecting 10.5% 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 5.3%. Motorcycle drive system rounds out the top three at 2.6%. 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 | 10.5% | 4 |
| 2 | Motorcycle Brakes | 5.3% | 2 |
| 3 | Motorcycle Drive System | 2.6% | 1 |
Failures per 10,000 Miles
avg. 5,816 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 | 18.10 | 10.5% | 4 |
| Motorcycle brakes | 9.05 | 5.3% | 2 |
| Motorcycle drive system | 4.52 | 2.6% | 1 |
🚗 Similar Cars to Consider
Mileage at MOT
The average Triumph Blazer has 5,816 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 Triumph Blazer has a mileage-adjusted failure rate of 22.70% per 10,000 miles driven. The average across all makes is 5.38%, so this model is worse than average.
About Triumph Blazer MOT Data
The Triumph Blazer is a rare vehicle in the UK, with 38 MOT test results recorded in our database spanning 1 manufacture years. It has an overall MOT pass rate of 86.8% and a failure rate of 13.2%, which is well above the UK average of approximately 37%.
For Triumph Blazer 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 Blazer is likely to perform.
Motorcycle lighting and signalling — 10.5% of failures
Motorcycle lighting and signalling issues account for 10.5% of MOT failures on the Triumph Blazer. 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 — 5.3% of failures
Motorcycle brakes issues account for 5.3% of MOT failures on the Triumph Blazer. 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 — 2.6% of failures
Motorcycle drive system issues account for 2.6% of MOT failures on the Triumph Blazer. 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 Triumph Blazer?
Based on 38 (based on limited data) MOT tests in our database, the Triumph Blazer has an overall pass rate of 86.8% (13.2% fail rate).
What are the most common MOT failures on a Triumph Blazer?
The top 3 reasons a Triumph Blazer fails its MOT are: 1. Motorcycle lighting and signalling (10.5%), 2. Motorcycle brakes (5.3%), 3. Motorcycle drive system (2.6%). Check these areas before booking your MOT.
Is the Triumph Blazer reliable?
With a 13.2% MOT failure rate, the Blazer is more reliable than average compared to the UK average of ~40%.
What should I check before an MOT on my Triumph Blazer?
Based on failure data, focus on: Motorcycle lighting and signalling (10.5%); Motorcycle brakes (5.3%); Motorcycle drive system (2.6%). 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.