2004 Yamaha Yfz450 MOT Pass Rate
Pass rate for Yfz450 models manufactured in 2004, based on 51 real MOT test results.
Data from official DVSA MOT testing records
2004 Yamaha Yfz450 MOT Analysis
The 2004 Yamaha Yfz450 has an MOT pass rate of 90.2% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 6,969 miles on the odometer. With a 9.8% failure rate, the 2004 Yfz450 is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2004 Yamaha Yfz450 is Lamps, reflectors and electrical equipment, responsible for 3.9% of failures. 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 range from £5–50. Identification of the vehicle is the second most common issue at 2.0%.
Top failures specific to 2004 models only. The overall Yfz450 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 | Lamps, Reflectors And Electrical Equipment | 3.9% | 2 |
| 2 | Identification Of The Vehicle | 2.0% | 1 |
Failures per 10,000 Miles
avg. 6,969 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 |
|---|---|---|---|
| Lamps & Electrical | 5.63 | 3.9% | 2 |
| Identification of the vehicle | 2.81 | 2.0% | 1 |
Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2004 Yamaha Yfz450 has an MOT pass rate of 90.2% based on 51 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 6,969 miles on the odometer. With a 9.8% failure rate, the 2004 Yfz450 is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2004 Yamaha Yfz450, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to lamps, reflectors and electrical equipment: 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. With relatively low average mileage of 6,969 miles, many of these vehicles are still in good mechanical condition.
Lamps, reflectors and electrical equipment — 3.9% of failures
Lamps, reflectors and electrical equipment issues account for 3.9% of MOT failures on 2004 Yamaha Yfz450 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.
Identification of the vehicle — 2.0% of failures
Identification of the vehicle issues account for 2.0% of MOT failures on 2004 Yamaha Yfz450 models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.