Honda CB400NC
Real ownership data from 464 UK CB400NC motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common CB400NC problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Suspension | fail | 7.3% |
| Lights and indicators | minor | 6.5% |
| Brakes | major | 5.7% |
| Other | fail | 4% |
| Chain and sprockets | fail | 4% |
| Tyres | major | 4% |
| Steering and head bearings | fail | 2.4% |
| Controls and cables | major | 2.4% |
Advisories (wear noted but not failed) are excluded above; the most common is chain and sprockets.
CB400NC 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 |
|---|---|---|---|---|
| 1985 | 54 | 8,558 mi | 732 | 88.89% |
| 1984 | 156 | 40,851 mi | 919 | 80.65% |
| 1983 | 129 | 33,497 mi | 58 | 88.89% |
| 1982 | 118 | 47,241 mi | 1,675 | 83.33% |
CB400NC questions, answered with data
What are the most common problems with the Honda CB400NC?
Across 464 UK examples, the most frequently recorded MOT faults are suspension (7.3% of all recorded faults), lights and indicators (6.5% of all recorded faults), brakes (5.7% of all recorded faults).
What is average mileage for a Honda CB400NC?
The median Honda CB400NC in the UK has covered 25,966 miles, and typically rides about 909 miles a year. Half of all examples fall between 10,303 and 45,390 miles.
Is the Honda CB400NC reliable?
80.58% of Honda CB400NC MOT tests are passed first time, with an average of 1.05 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 464 Honda CB400NC motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.