Triumph Bonneville Bobber
Real ownership data from 1,714 UK Bonneville Bobber motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Bonneville Bobber problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | dangerous | 22.5% |
| Other | major | 6.1% |
| Tyres | dangerous | 2% |
| Brakes | dangerous | 2% |
| Electrical | major | 1.6% |
| Exhaust and emissions | major | 1.2% |
| Steering and head bearings | major | 0.8% |
| Suspension | dangerous | 0.5% |
Advisories (wear noted but not failed) are excluded above; the most common is other.
Bonneville Bobber mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| Year | Examples | Median mileage | Miles/year | First-time pass |
|---|---|---|---|---|
| 2026 | 162 | — | — | — |
| 2025 | 241 | — | — | — |
| 2024 | 195 | — | — | — |
| 2023 | 265 | 2,230 mi | 590 | 91.43% |
| 2022 | 341 | 3,128 mi | 681 | 87.25% |
| 2021 | 237 | 4,188 mi | 609 | 91.65% |
| 2020 | 114 | 1,849 mi | 235 | 94.24% |
| 2019 | 39 | 6,553 mi | 720 | 96.55% |
| 2018 | 45 | 4,916 mi | 582 | 86.76% |
| 2017 | 59 | 5,218 mi | 433 | 92.86% |
| 2016 | 14 | 7,056 mi | 483 | 86.57% |
Bonneville Bobber questions, answered with data
What are the most common problems with the Triumph Bonneville Bobber?
Across 1,714 UK examples, the most frequently recorded MOT faults are lights and indicators (22.5% of all recorded faults), other (6.1% of all recorded faults), tyres (2% of all recorded faults).
What is average mileage for a Triumph Bonneville Bobber?
The median Triumph Bonneville Bobber in the UK has covered 3,320 miles, and typically rides about 548 miles a year. Half of all examples fall between 1,832 and 5,618 miles.
Is the Triumph Bonneville Bobber reliable?
90.44% of Triumph Bonneville Bobber MOT tests are passed first time, with an average of 0.34 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,714 Triumph Bonneville Bobber motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.