Yamaha Mt 125 (Mtn 125-A)
MotorcycleFrom 1,068 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a transmission belt, chain, sprocket or pulley excessively loose or worn, a footrest missing or insecure and steering head bearings have excessive wear or play. The top issue, a transmission belt, chain, sprocket or pulley excessively loose or worn, caused 24 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.
| a transmission belt, chain, sprocket or pulley excessively loose or worn | 24 |
| a footrest missing or insecure | 20 |
| steering head bearings have excessive wear or play | 16 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 15 |
| a shock absorber not functioning or leaking severely | 12 |
| reflector missing or reflecting white to the rear | 10 |
| brake lining or pad worn below 1.0mm | 9 |
| excessive fluctuation in brake effort through each wheel revolution | 8 |
| a stop lamp(s) remains on when the brakes are released | 8 |
| tyre tread depth not in accordance with the requirements | 6 |
How serious are these failures?
Not all MOT failures are equal. Only 13.3% of Mt 125 (Mtn 125-A) failures are serious (safety or roadside), below the 44.4% average. When this car fails its MOT, it's more likely to be lights, wipers, or emissions than something dangerous. When it does fail, the average repair bill is around £63.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 82.1% | a footrest missing or insecure, a transmission belt, chain, sprocket or pulley excessively loose or worn |
| 2020 | 72.6% | a transmission belt, chain, sprocket or pulley excessively loose or worn, excessive fluctuation in brake effort through each wheel revolution |
Typical mileage
Half of all Mt 125 (Mtn 125-A)s tested had between 4,497 and 13,729 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 7,564 median miles, the Mt 125 (Mtn 125-A) has 0.276 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 Mt 125 (Mtn 125-A) MOT pass rate?
The Yamaha Mt 125 (Mtn 125-A) has a 79.1% MOT pass rate based on 1,068 real MOT tests. This is above the national average.
What are common MOT failures on a Yamaha Mt 125 (Mtn 125-A)?
The most common MOT failure on the Yamaha Mt 125 (Mtn 125-A) is a transmission belt, chain, sprocket or pulley excessively loose or worn, which caused 24 failures. Other common issues include a footrest missing or insecure.
What is the typical mileage of a Yamaha Mt 125 (Mtn 125-A) at MOT?
The median mileage at MOT for a Yamaha Mt 125 (Mtn 125-A) is 7,564 miles. The middle 50% of vehicles tested have between 4,497 and 13,729 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.