Norton TRITON
Real ownership data from 332 UK TRITON motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common TRITON problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Other | fail | 20.1% |
| Lights and indicators | fail | 10.2% |
| Brakes | fail | 10.2% |
| Chain and sprockets | user entered | 3.5% |
| Tyres | fail | 3.4% |
| Steering and head bearings | fail | 3.2% |
| Fluid leaks | fail | 2.4% |
| Electrical | fail | 2.2% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
TRITON 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 |
|---|---|---|---|---|
| 2014 | 6 | 142 mi | 20 | 100% |
| 2013 | 6 | 296 mi | 69 | 100% |
| 2010 | 5 | 3,255 mi | 372 | 94.74% |
| 2008 | 5 | 1,694 mi | 13 | 90% |
| 2002 | 5 | 690 mi | 28 | 93.75% |
| 2001 | 6 | 10,790 mi | 174 | 92.31% |
| 1998 | 5 | 2,560 mi | 345 | 96.3% |
| 1992 | 5 | 7,381 mi | 222 | 100% |
| 1991 | 5 | 1,845 mi | — | 86.96% |
| 1969 | 7 | 7,136 mi | 411 | 95.56% |
| 1967 | 5 | 6,246 mi | 96 | 96% |
| 1966 | 5 | 17,094 mi | 74 | 96.97% |
| 1965 | 6 | 6,731 mi | 8,960 | 92.31% |
| 1964 | 5 | 58 mi | 5 | 95.65% |
| 1963 | 6 | 1,089 mi | 90 | 95.24% |
| 1962 | 14 | 1,624 mi | 19 | 94.44% |
| 1961 | 8 | 2,057 mi | 260 | 97.37% |
| 1960 | 40 | 1,104 mi | 126 | 89.64% |
| 1959 | 33 | 3,672 mi | 182 | 92.25% |
| 1958 | 20 | 2,474 mi | 53 | 91.43% |
TRITON questions, answered with data
What are the most common problems with the Norton TRITON?
Across 332 UK examples, the most frequently recorded MOT faults are other (20.1% of all recorded faults), lights and indicators (10.2% of all recorded faults), brakes (10.2% of all recorded faults).
What is average mileage for a Norton TRITON?
The median Norton TRITON in the UK has covered 2,193 miles, and typically rides about 119 miles a year. Half of all examples fall between 374 and 8,261 miles.
Is the Norton TRITON reliable?
92.2% of Norton TRITON MOT tests are passed first time, with an average of 0.36 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 332 Norton TRITON motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.