1999 Yamaha Yz MOT Pass Rate
Pass rate for Yz models manufactured in 1999, based on 62 real MOT test results.
Data from official DVSA MOT testing records
1999 Yamaha Yz MOT Analysis
The 1999 Yamaha Yz has an MOT pass rate of 80.6% based on 62 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 212 miles on the odometer. With a 19.4% failure rate, the 1999 Yz is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 1999 Yamaha Yz is Motorcycle structure and attachments, responsible for 4.8% 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 wheels is the second most common issue at 3.2%. Motorcycle suspension follows at 1.6%.
Top failures specific to 1999 models only. The overall Yz 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 | 4.8% | 3 |
| 2 | Motorcycle Wheels | 3.2% | 2 |
| 3 | Motorcycle Suspension | 1.6% | 1 |
| 4 | Motorcycle Brakes | 1.6% | 1 |
Mileage Statistics
About This Data
The 1999 Yamaha Yz has an MOT pass rate of 80.6% based on 62 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 212 miles on the odometer. With a 19.4% failure rate, the 1999 Yz is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 1999 Yamaha Yz, 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 212 miles, many of these vehicles are still in good mechanical condition.
Motorcycle structure and attachments — 4.8% of failures
Motorcycle structure and attachments issues account for 4.8% of MOT failures on 1999 Yamaha Yz 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 wheels — 3.2% of failures
Motorcycle wheels issues account for 3.2% of MOT failures on 1999 Yamaha Yz models. Wheel failures include cracked or severely corroded alloy wheels, missing or loose wheel nuts, and wheels that are insecurely attached. These are safety-critical and relatively rare compared to tyre failures. Typical repair costs: £100–400 per wheel. Pre-MOT check: Visually inspect wheels for cracks, especially around the spokes and rim. Check that all wheel nuts are present and tightened. Look for signs of impact damage on alloy wheels.
Motorcycle suspension — 1.6% of failures
Motorcycle suspension issues account for 1.6% of MOT failures on 1999 Yamaha Yz 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.