1985 Yamaha Dt125 MOT Pass Rate
Pass rate for Dt125 models manufactured in 1985, based on 251 real MOT test results.
Data from official DVSA MOT testing records
1985 Yamaha Dt125 MOT Analysis
The 1985 Yamaha Dt125 has an MOT pass rate of 68.5% based on 251 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,099 miles on the odometer. With a 31.5% failure rate, the 1985 Dt125 is rated as "Good" for MOT reliability.
The leading cause of MOT failure for the 1985 Yamaha Dt125 is Motorcycle structure and attachments, responsible for 2.0% of failures. 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 range from £100–400. Motorcycle suspension is the second most common issue at 0.8%.
Top failures specific to 1985 models only. The overall Dt125 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 Structure And Attachments | 2.0% | 5 |
| 2 | Motorcycle Suspension | 0.8% | 2 |
Failures per 10,000 Miles
avg. 18,099 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 structure and attachments | 1.10 | 2.0% | 5 |
| Motorcycle suspension | 0.44 | 0.8% | 2 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1985 Yamaha Dt125 has an MOT pass rate of 68.5% based on 251 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,099 miles on the odometer. With a 31.5% failure rate, the 1985 Dt125 is rated as "Good" for MOT reliability.
If you own or are considering buying a 1985 Yamaha Dt125, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle structure and attachments: 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 18,099 miles, many of these vehicles are still in good mechanical condition.
Motorcycle structure and attachments — 2.0% of failures
Motorcycle structure and attachments issues account for 2.0% of MOT failures on 1985 Yamaha Dt125 models. 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.
Motorcycle suspension — 0.8% of failures
Motorcycle suspension issues account for 0.8% of MOT failures on 1985 Yamaha Dt125 models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.