Sinnis Terrain 125
MotorcycleFrom 428 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are brake lining or pad worn below 1.0mm, significant brake effort recorded with no brake applied indicating a binding brake and a wheel bearing with excessive play. The top issue, brake lining or pad worn below 1.0mm, caused 12 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.
| brake lining or pad worn below 1.0mm | 12 |
| significant brake effort recorded with no brake applied indicating a binding brake | 8 |
| a wheel bearing with excessive play | 8 |
| a transmission belt, chain, sprocket or pulley excessively loose or worn | 6 |
| a transmission belt, chain, sprocket or pulley so loose or worn it is likely to fail | 5 |
| tyre tread depth not in accordance with the requirements | 5 |
| rear registration plate lamp does not illuminate simultaneously with the position lamps | 5 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 4 |
| an engine mounting or bracket fractured, missing or excessively loose | 3 |
| the aim of a headlamp is not within limits laid down in the requirements | 3 |
How serious are these failures?
Not all MOT failures are equal. Only 33.9% of Terrain 125 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 £65.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 80% | brake lining or pad worn below 1.0mm, significant brake effort recorded with no brake applied indicating a binding brake |
Typical mileage
Half of all Terrain 125s tested had between 3,203 and 9,277 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 5,760 median miles, the Terrain 125 has 0.345 failures per 10,000 miles driven.
Common questions
What is the Sinnis Terrain 125 MOT pass rate?
The Sinnis Terrain 125 has a 80.1% MOT pass rate based on 428 real MOT tests. This is above the national average.
What are common MOT failures on a Sinnis Terrain 125?
The most common MOT failure on the Sinnis Terrain 125 is brake lining or pad worn below 1.0mm, which caused 12 failures. Other common issues include significant brake effort recorded with no brake applied indicating a binding brake.
What is the typical mileage of a Sinnis Terrain 125 at MOT?
The median mileage at MOT for a Sinnis Terrain 125 is 5,760 miles. The middle 50% of vehicles tested have between 3,203 and 9,277 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.