Yamaha Yp400
MotorcycleFrom 224 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are excessive fluctuation in brake effort through each wheel revolution, tyre tread depth not in accordance with the requirements and handlebar grip insecure to handlebar. The top issue, excessive fluctuation in brake effort through each wheel revolution, caused 5 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| excessive fluctuation in brake effort through each wheel revolution | 5 |
| tyre tread depth not in accordance with the requirements | 4 |
| handlebar grip insecure to handlebar | 3 |
| a shock absorber not functioning or leaking severely | 3 |
| brake lining or pad worn below 1.0mm | 2 |
| significant brake effort recorded with no brake applied indicating a binding brake | 2 |
| steering head bearings excessively stiff, notchy, or with excessive wear or play | 1 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 1 |
| brake disc or drum significantly and obviously worn | 1 |
| brake efficiency below minimum requirement | 1 |
How serious are these failures?
Not all MOT failures are equal. 43.5% of failures are serious: 43.5% are safety issues (brakes, steering, tyre damage) and 0% could actually leave you stranded. That's close to the 44.4% average across all models. When it does fail, the average repair bill is around £100.
Typical mileage
Half of all Yp400s tested had between 17,060 and 34,127 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 24,949 median miles, the Yp400 has 0.046 failures per 10,000 miles driven.
Other Yamaha models
| Yamaha Mt | 87.6% |
| Yamaha Gpd125-A Nmax 125 Abs | 80.8% |
| Yamaha Yzf R1 | 87.8% |
| Yamaha Unclassified | 86.6% |
| Yamaha Fzs600 | 83.1% |
Common questions
What is the Yamaha Yp400 MOT pass rate?
The Yamaha Yp400 has a 88.4% MOT pass rate based on 224 real MOT tests. This is above the national average.
What are common MOT failures on a Yamaha Yp400?
The most common MOT failure on the Yamaha Yp400 is excessive fluctuation in brake effort through each wheel revolution, which caused 5 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a Yamaha Yp400 at MOT?
The median mileage at MOT for a Yamaha Yp400 is 24,949 miles. The middle 50% of vehicles tested have between 17,060 and 34,127 miles.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.