1983 Yamaha Dt50 MOT Pass Rate
Pass rate for Dt50 models manufactured in 1983, based on 47 real MOT test results.
Data from official DVSA MOT testing records
1983 Yamaha Dt50 MOT Analysis
The 1983 Yamaha Dt50 has an MOT pass rate of 68.1% based on 47 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,282 miles on the odometer. With a 31.9% failure rate, the 1983 Dt50 is rated as "Good" for MOT reliability.
The leading cause of MOT failure for the 1983 Yamaha Dt50 is Motorcycle suspension, responsible for 4.3% of failures. 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 range from £200–500. Motorcycle lamps and reflectors is the second most common issue at 4.3%. Motorcycle structure and attachments follows at 2.1%.
Top failures specific to 1983 models only. The overall Dt50 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 Suspension | 4.3% | 2 |
| 2 | Motorcycle Lamps And Reflectors | 4.3% | 2 |
| 3 | Motorcycle Structure And Attachments | 2.1% | 1 |
| 4 | Motorcycle Brakes | 2.1% | 1 |
| 5 | Motorcycle Steering | 2.1% | 1 |
Failures per 10,000 Miles
avg. 18,282 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 suspension | 2.33 | 4.3% | 2 |
| Motorcycle lamps and reflectors | 2.33 | 4.3% | 2 |
| Motorcycle structure and attachments | 1.16 | 2.1% | 1 |
| Motorcycle brakes | 1.16 | 2.1% | 1 |
| Motorcycle steering | 1.16 | 2.1% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 1983 Yamaha Dt50 has an MOT pass rate of 68.1% based on 47 tests — slightly above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 18,282 miles on the odometer. With a 31.9% failure rate, the 1983 Dt50 is rated as "Good" for MOT reliability.
If you own or are considering buying a 1983 Yamaha Dt50, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle suspension: 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. With relatively low average mileage of 18,282 miles, many of these vehicles are still in good mechanical condition.
Motorcycle suspension — 4.3% of failures
Motorcycle suspension issues account for 4.3% of MOT failures on 1983 Yamaha Dt50 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.
Motorcycle lamps and reflectors — 4.3% of failures
Motorcycle lamps and reflectors issues account for 4.3% of MOT failures on 1983 Yamaha Dt50 models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Motorcycle structure and attachments — 2.1% of failures
Motorcycle structure and attachments issues account for 2.1% of MOT failures on 1983 Yamaha Dt50 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.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.