Yamaha SR400
Real ownership data from 66 UK SR400 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common SR400 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Lights and indicators | dangerous | 16.3% |
| Tyres | dangerous | 7.7% |
| Steering and head bearings | fail | 4.3% |
| Brakes | dangerous | 4.3% |
| Other | major | 4% |
| Chain and sprockets | major | 3% |
| Suspension | fail | 2.3% |
| Controls and cables | fail | 1.3% |
Advisories (wear noted but not failed) are excluded above; the most common is exhaust and emissions.
SR400 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 |
|---|---|---|---|---|
| 2015 | 8 | 4,731 mi | 1,057 | 75.76% |
| 2014 | 8 | 2,313 mi | 912 | 88.57% |
| 2012 | 7 | 12,916 mi | 1,428 | 84.13% |
SR400 questions, answered with data
What are the most common problems with the Yamaha SR400?
Across 66 UK examples, the most frequently recorded MOT faults are lights and indicators (16.3% of all recorded faults), tyres (7.7% of all recorded faults), steering and head bearings (4.3% of all recorded faults).
What is average mileage for a Yamaha SR400?
The median Yamaha SR400 in the UK has covered 10,212 miles, and typically rides about 466 miles a year. Half of all examples fall between 3,329 and 19,202 miles.
Is the Yamaha SR400 reliable?
83.73% of Yamaha SR400 MOT tests are passed first time, with an average of 0.69 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 66 Yamaha SR400 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.