Honda CB400A
Real ownership data from 61 UK CB400A motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common CB400A problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Brakes | fail | 11.6% |
| Lights and indicators | major | 11.3% |
| Suspension | fail | 5.5% |
| Chain and sprockets | fail | 5.1% |
| Other | fail | 4.4% |
| Tyres | fail | 3.6% |
| Electrical | major | 2.2% |
| Steering and head bearings | fail | 2.2% |
Advisories (wear noted but not failed) are excluded above; the most common is suspension.
CB400A 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 |
|---|---|---|---|---|
| 1980 | 30 | 19,617 mi | 196 | 84.83% |
| 1979 | 15 | 23,312 mi | 354 | 85.42% |
| 1978 | 7 | 23,310 mi | 90 | 82.05% |
CB400A questions, answered with data
What are the most common problems with the Honda CB400A?
Across 61 UK examples, the most frequently recorded MOT faults are brakes (11.6% of all recorded faults), lights and indicators (11.3% of all recorded faults), suspension (5.5% of all recorded faults).
What is average mileage for a Honda CB400A?
The median Honda CB400A in the UK has covered 20,154 miles, and typically rides about 190 miles a year. Half of all examples fall between 13,994 and 27,782 miles.
Is the Honda CB400A reliable?
83.48% of Honda CB400A MOT tests are passed first time, with an average of 0.7 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 61 Honda CB400A motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.