2004 Yamaha Yz — MOT History by Age
How cars manufactured in 2004 perform at MOT as they age
22 years
Current Age
70.6%
Latest Pass Rate
34
Total Tests (All Years)
23 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Compared to Average at Age 20
This car: 70.6%
Average: 56.6%
✅ 14.0% above average (6824 models compared)
How This Car Ages
📉
Insufficient data for this analysis
Pass Rate Trend
📊
Insufficient data for this analysis
Year-by-Year MOT Results
2024
70.6%
Age (yrs) 20Tests 34Avg Mileage 23Top Failure Motorcycle brakes — 94.1%
Common MOT Failures
Top failure categories across all test years for 2004 Yamaha Yz, with age trends.
Motorcycle brakes
94.1%
— Consistent
Motorcycle suspension
50.0%
— Consistent
Motorcycle lamps and reflectors
47.1%
— Consistent
Motorcycle steering
29.4%
— Consistent
Motorcycle wheels
26.5%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Motorcycle brakes | 94.1% (20 yrs) | 94.1% (20 yrs) | 0.0%
| ⚪ — |
| Motorcycle suspension | 50.0% (20 yrs) | 50.0% (20 yrs) | 0.0%
| ⚪ — |
| Motorcycle lamps and reflectors | 47.1% (20 yrs) | 47.1% (20 yrs) | 0.0%
| ⚪ — |
| Motorcycle steering | 29.4% (20 yrs) | 29.4% (20 yrs) | 0.0%
| ⚪ — |
| Motorcycle wheels | 26.5% (20 yrs) | 26.5% (20 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Yamaha Yz page →
About This Data
This page shows how Yamaha Yz cars manufactured in 2004 perform at MOT as they age. Data spans from 2024 to 2024, covering 34 tests. Pass rates naturally decline with age as components wear.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.