2004 Yamaha Yz250 MOT Pass Rate
Pass rate for Yz250 models manufactured in 2004, based on 34 real MOT test results.
Data from official DVSA MOT testing records
2004 Yamaha Yz250 MOT Analysis
The 2004 Yamaha Yz250 has an MOT pass rate of 82.4% based on 34 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 780 miles on the odometer. With a 17.6% failure rate, the 2004 Yz250 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2004 Yamaha Yz250 is Motorcycle brakes, responsible for 2.9% of failures. 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 range from £150–400.
Top failures specific to 2004 models only. The overall Yz250 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 Brakes | 2.9% | 1 |
Mileage Statistics
About This Data
The 2004 Yamaha Yz250 has an MOT pass rate of 82.4% based on 34 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 780 miles on the odometer. With a 17.6% failure rate, the 2004 Yz250 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2004 Yamaha Yz250, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to motorcycle brakes: 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). With relatively low average mileage of 780 miles, many of these vehicles are still in good mechanical condition.
Motorcycle brakes — 2.9% of failures
Motorcycle brakes issues account for 2.9% of MOT failures on 2004 Yamaha Yz250 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.