Honda CB400F
Real ownership data from 943 UK CB400F motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common CB400F problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Tyres | fail | 9.7% |
| Brakes | prs | 5.6% |
| Steering and head bearings | fail | 5.3% |
| Controls and cables | fail | 4% |
| Wheels | fail | 3.7% |
| Electrical | fail | 3.3% |
| Chain and sprockets | fail | 2.8% |
| Fluid leaks | fail | 2.8% |
Advisories (wear noted but not failed) are excluded above; the most common is brakes.
CB400F 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 | 5 | 22,192 mi | 643 | 78.57% |
| 1998 | 6 | 23,298 mi | 2,326 | 80.56% |
| 1997 | 5 | 19,716 mi | 225 | 83.33% |
| 1996 | 7 | 26,482 mi | 404 | 62.22% |
| 1992 | 6 | 37,157 mi | 419 | 88.64% |
| 1979 | 28 | 28,129 mi | 230 | 86.22% |
| 1978 | 132 | 32,754 mi | 204 | 85.74% |
| 1977 | 248 | 29,772 mi | 212 | 83.27% |
| 1976 | 326 | 31,202 mi | 166 | 84.52% |
| 1975 | 117 | 30,376 mi | 174 | 84.38% |
CB400F questions, answered with data
What are the most common problems with the Honda CB400F?
Across 943 UK examples, the most frequently recorded MOT faults are tyres (9.7% of all recorded faults), brakes (5.6% of all recorded faults), steering and head bearings (5.3% of all recorded faults).
What is average mileage for a Honda CB400F?
The median Honda CB400F in the UK has covered 30,026 miles, and typically rides about 185 miles a year. Half of all examples fall between 19,685 and 43,128 miles.
Is the Honda CB400F reliable?
83.67% of Honda CB400F MOT tests are passed first time, with an average of 0.33 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 943 Honda CB400F motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.