Triumph Bonneville
MotorcycleFrom 21,768 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 number plate does not conform to the specified requirements, tyre tread depth not in accordance with the requirements and brake lining or pad worn below 1.0mm. The top issue, number plate does not conform to the specified requirements, caused 92 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.
| number plate does not conform to the specified requirements | 92 |
| tyre tread depth not in accordance with the requirements | 90 |
| brake lining or pad worn below 1.0mm | 84 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 70 |
| significant brake effort recorded with no brake applied indicating a binding brake | 64 |
| a headlamp missing, inoperative or more than ½ not functioning in the case of led | 58 |
| reflector missing or reflecting white to the rear | 52 |
| stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 46 |
| excessive fluctuation in brake effort through each wheel revolution | 43 |
| a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps | 39 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 92.2% | a tyre with a lump, bulge or tear caused by separation or partial failure of its structure, including any lifting of the tread rubber, brake lining or pad worn below 1.0mm |
| 2020 | 93.6% | number plate does not conform to the specified requirements, exhaust noise levels in excess of those permitted |
| 2019 | 94.5% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2018 | 92.3% | number plate does not conform to the specified requirements, tyre tread depth not in accordance with the requirements |
17 earlier years
| 2017 | 91.4% | tyre tread depth not in accordance with the requirements, number plate does not conform to the specified requirements |
| 2016 | 91.5% | a headlamp missing, inoperative or more than ½ not functioning in the case of led, brake lining or pad worn below 1.0mm |
| 2015 | 92.4% | brake lining or pad worn below 1.0mm, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2014 | 90% | excessive fluctuation in brake effort through each wheel revolution, a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2013 | 89.5% | significant brake effort recorded with no brake applied indicating a binding brake, brake lining or pad worn below 1.0mm |
| 2012 | 93.4% | a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, significant brake effort recorded with no brake applied indicating a binding brake |
| 2011 | 88.4% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2010 | 87.7% | brake lining or pad worn below 1.0mm, number plate does not conform to the specified requirements |
| 2009 | 91.5% | tyre tread depth not in accordance with the requirements, brake lining or pad worn below 1.0mm |
| 2008 | 85.3% | reflector missing or reflecting white to the rear, number plate does not conform to the specified requirements |
| 2007 | 85.3% | a lamp missing or inoperative, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2006 | 86.7% | significant brake effort recorded with no brake applied indicating a binding brake, stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning |
| 2005 | 85.9% | a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, number plate does not conform to the specified requirements |
| 2004 | 86.5% | a headlamp missing, inoperative or more than ½ not functioning in the case of led, significant brake effort recorded with no brake applied indicating a binding brake |
| 2003 | 90.4% | tyre tread depth not in accordance with the requirements, a stop lamp(s) does not illuminate by the operation of both brake controls or remains on when the brakes are released |
| 2002 | 89% | a stop lamp emitted colour, position or intensity not in accordance with the requirements, number plate does not conform to the specified requirements |
| 2001 | 92.2% | significant brake effort recorded with no brake applied indicating a binding brake, tyre tread depth not in accordance with the requirements |
Typical mileage
Half of all Bonnevilles tested had between 5,251 and 12,741 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 7,329 median miles, the Bonneville has 0.124 failures per 10,000 miles driven.
Other Triumph models
| Triumph Tiger | 91.6% |
| Triumph Sprint | 87.1% |
| Triumph Daytona | 85.9% |
| Triumph Speed Triple | 88.7% |
| Triumph Street | 91.4% |
Common questions
What is the Triumph Bonneville MOT pass rate?
The Triumph Bonneville has a 90.9% MOT pass rate based on 21,768 real MOT tests. This is above the national average.
What are common MOT failures on a Triumph Bonneville?
The most common MOT failure on the Triumph Bonneville is number plate does not conform to the specified requirements, which caused 92 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a Triumph Bonneville at MOT?
The median mileage at MOT for a Triumph Bonneville is 7,329 miles. The middle 50% of vehicles tested have between 5,251 and 12,741 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.