1981 Yamaha Sa50 MOT Pass Rate
Pass rate for Sa50 models manufactured in 1981, based on 33 real MOT test results.
Data from official DVSA MOT testing records
1981 Yamaha Sa50 MOT Analysis
The 1981 Yamaha Sa50 has an MOT pass rate of 78.8% based on 33 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 3,984 miles on the odometer. With a 21.2% failure rate, the 1981 Sa50 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1981 Yamaha Sa50 is Motorcycle structure and attachments, responsible for 3.0% 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 brakes is the second most common issue at 3.0%.
Top failures specific to 1981 models only. The overall Sa50 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 | 3.0% | 1 |
| 2 | Motorcycle Brakes | 3.0% | 1 |
Mileage Statistics
About This Data
The 1981 Yamaha Sa50 has an MOT pass rate of 78.8% based on 33 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 3,984 miles on the odometer. With a 21.2% failure rate, the 1981 Sa50 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1981 Yamaha Sa50, 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 3,984 miles, many of these vehicles are still in good mechanical condition.
Motorcycle structure and attachments — 3.0% of failures
Motorcycle structure and attachments issues account for 3.0% of MOT failures on 1981 Yamaha Sa50 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 brakes — 3.0% of failures
Motorcycle brakes issues account for 3.0% of MOT failures on 1981 Yamaha Sa50 models. 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).
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.