2014 Yamaha Unclassified — MOT failures & pass rate
Across 274 MOT tests analysed for the 2014 Yamaha Unclassified, the most common recorded failure areas were lighting & signalling, other defects and brakes. Its pass rate of 94.2% was above the average for cars of a similar age (82.8%).
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Lighting & signalling | 5.1% | 14 |
| 2 | Other defects | 4.4% | 12 |
| 3 | Brakes | 3.3% | 9 |
| 4 | Suspension | 2.5% | 7 |
| 5 | Steering | 1.1% | 3 |
| 6 | Visibility | 1.1% | 3 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Registration plates | 14 |
| 2 | Rear reflectors | 8 |
| 3 | Individual direction indicators | 8 |
| 4 | Wheel bearings | 7 |
| 5 | Decelerometer (sp) | 7 |
| 6 | Headlamp | 6 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Suspension | 6.9% | 19 |
| 2 | Brakes | 4.7% | 13 |
| 3 | Tyres | 4.4% | 12 |
| 4 | Steering | 2.2% | 6 |
| 5 | Lighting & signalling | 1.8% | 5 |
| 6 | Other defects | 0.7% | 2 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 224 | 5.4% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2021 | 55 | 1.8% |
| 2022 | 68 | 8.8% |
| 2023 | 62 | 8.1% |
| 2024 | 45 | 4.4% |
| 2025 | 44 | 4.5% |
What to check before buying a 2014 Unclassified
Before buying a 2014 Yamaha Unclassified, focus on the areas it most often fails on. Lighting & signalling accounted for 5.1% of tests for this year.
- Lighting & signalling (5.1% of tests): Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair: £10–£150.
- Other defects (4.4% of tests): Miscellaneous items not in the main categories. Typical repair: varies.
- Brakes (3.3% of tests): Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair: £100–£350 per axle.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2014 Yamaha Unclassifieds pass their MOT?
94.2% of the 274 2014 Yamaha Unclassified MOT tests in this dataset passed — a 5.8% fail rate.
What is the most common MOT failure on a 2014 Yamaha Unclassified?
Lighting & signalling, recorded in 5.1% of tests, followed by other defects (4.4%).
Methodology & source. Based on 274 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.