Triumph Bonneville Speedmaster
Real ownership data from 2,480 UK Bonneville Speedmaster motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common Bonneville Speedmaster problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Exhaust and emissions | fail | 27% |
| Lights and indicators | dangerous | 8.8% |
| Wheels | dangerous | 5.6% |
| Electrical | major | 5.6% |
| Brake discs and pads | major | 5.2% |
| Chain and sprockets | dangerous | 4.4% |
| Tyres | major | 3.2% |
| Brakes | fail | 3% |
Advisories (wear noted but not failed) are excluded above; the most common is corrosion.
Bonneville Speedmaster 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 | 163 | — | — | — |
| 2025 | 185 | — | — | — |
| 2024 | 220 | — | — | — |
| 2023 | 304 | 3,315 mi | 763 | 92.95% |
| 2022 | 263 | 4,198 mi | 911 | 92.79% |
| 2021 | 268 | 5,138 mi | 845 | 93.62% |
| 2020 | 15 | 7,016 mi | 1,096 | 90.48% |
| 2019 | 15 | 4,040 mi | 668 | 97.44% |
| 2018 | 29 | 8,871 mi | 970 | 91.01% |
| 2016 | 18 | 10,729 mi | 924 | 84.48% |
| 2015 | 23 | 6,793 mi | 556 | 85.9% |
| 2014 | 34 | 12,786 mi | 927 | 86.64% |
| 2013 | 13 | 12,896 mi | 692 | 88.24% |
| 2012 | 33 | 13,993 mi | 1,086 | 89.17% |
| 2011 | 99 | 14,911 mi | 930 | 88.94% |
| 2010 | 89 | 14,748 mi | 771 | 86.3% |
| 2009 | 114 | 14,880 mi | 814 | 88.41% |
| 2008 | 95 | 15,160 mi | 924 | 86.45% |
| 2007 | 101 | 16,413 mi | 894 | 85.96% |
| 2006 | 128 | 14,814 mi | 718 | 86.75% |
Bonneville Speedmaster questions, answered with data
What are the most common problems with the Triumph Bonneville Speedmaster?
Across 2,480 UK examples, the most frequently recorded MOT faults are exhaust and emissions (27% of all recorded faults), lights and indicators (8.8% of all recorded faults), wheels (5.6% of all recorded faults).
What is average mileage for a Triumph Bonneville Speedmaster?
The median Triumph Bonneville Speedmaster in the UK has covered 8,844 miles, and typically rides about 812 miles a year. Half of all examples fall between 4,218 and 16,884 miles.
Is the Triumph Bonneville Speedmaster reliable?
87.18% of Triumph Bonneville Speedmaster MOT tests are passed first time, with an average of 0.04 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 2,480 Triumph Bonneville Speedmaster motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.