Triumph 350
Real ownership data from 57 UK 350 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common 350 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | fail | 11% |
| Brakes | fail | 10.4% |
| Other | fail | 9.1% |
| Suspension | fail | 5.5% |
| Tyres | fail | 4.9% |
| Steering and head bearings | fail | 3.7% |
| Fluid leaks | user entered | 2.4% |
| Electrical | fail | 2.4% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
350 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 |
|---|---|---|---|---|
| 1967 | 5 | 39,864 mi | 404 | 97.37% |
| 1966 | 6 | 5,742 mi | 98 | 85% |
350 questions, answered with data
What are the most common problems with the Triumph 350?
Across 57 UK examples, the most frequently recorded MOT faults are lights and indicators (11% of all recorded faults), brakes (10.4% of all recorded faults), other (9.1% of all recorded faults).
What is average mileage for a Triumph 350?
The median Triumph 350 in the UK has covered 11,286 miles, and typically rides about 98 miles a year. Half of all examples fall between 2,527 and 33,138 miles.
Is the Triumph 350 reliable?
87.27% of Triumph 350 MOT tests are passed first time, with an average of 0.55 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 57 Triumph 350 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.