1975 Triumph T120 MOT Pass Rate
Pass rate for T120 models manufactured in 1975, based on 33 real MOT test results.
Data from official DVSA MOT testing records
1975 Triumph T120 MOT Analysis
The 1975 Triumph T120 has an MOT pass rate of 87.9% based on 33 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,510 miles on the odometer. With a 12.1% failure rate, the 1975 T120 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1975 Triumph T120 is Motorcycle fuel and exhaust, responsible for 6.1% of failures. Motorcycle fuel and exhaust 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 range from £100–400. Motorcycle lighting and signalling is the second most common issue at 3.0%. Motorcycle reg plates and vin follows at 3.0%.
Top failures specific to 1975 models only. The overall T120 page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
|---|---|---|---|
| 1 | Motorcycle Fuel And Exhaust | 6.1% | 2 |
| 2 | Motorcycle Lighting And Signalling | 3.0% | 1 |
| 3 | Motorcycle Reg Plates And Vin | 3.0% | 1 |
Failures per 10,000 Miles
avg. 18,510 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.
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| Category | Rate / 10K mi | Raw % | Count |
|---|---|---|---|
| Motorcycle fuel and exhaust | 3.27 | 6.1% | 2 |
| Motorcycle lighting and signalling | 1.64 | 3.0% | 1 |
| Motorcycle reg plates and vin | 1.64 | 3.0% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1975 Triumph T120 has an MOT pass rate of 87.9% based on 33 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,510 miles on the odometer. With a 12.1% failure rate, the 1975 T120 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1975 Triumph T120, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle fuel and exhaust: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With relatively low average mileage of 18,510 miles, many of these vehicles are still in good mechanical condition.
Motorcycle fuel and exhaust — 6.1% of failures
Motorcycle fuel and exhaust issues account for 6.1% of MOT failures on 1975 Triumph T120 models. Motorcycle fuel and exhaust 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 lighting and signalling — 3.0% of failures
Motorcycle lighting and signalling issues account for 3.0% of MOT failures on 1975 Triumph T120 models. 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 reg plates and vin — 3.0% of failures
Motorcycle reg plates and vin issues account for 3.0% of MOT failures on 1975 Triumph T120 models. Motorcycle reg plates and vin 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.