Honda CB400
Real ownership data from 1,169 UK CB400 motorcycles — mileage, MOT pass rates and the faults that actually come up, taken from DVSA test records rather than opinion.
Most common CB400 problems
Ranked by how often each fault appears in this model's MOT history.
| Fault | Severity | Share of faults |
|---|---|---|
| Wheels | fail | 13% |
| Controls and cables | dangerous | 12.5% |
| Fluid leaks | fail | 9.7% |
| Electrical | major | 7.4% |
| Fuel system | fail | 7.1% |
| Frame and structure | major | 5.1% |
| Suspension | major | 4.3% |
| Exhaust and emissions | prs | 3.6% |
Advisories (wear noted but not failed) are excluded above; the most common is frame and structure.
CB400 mileage and reliability by year
Use this to judge whether a specific bike is high or low mileage for its age.
| YearYear | MedianMedian mileage | Mi/yrMiles/year | MOT passFirst-time pass | |
|---|---|---|---|---|
| 2007 | 6 | 18,434 mi | 457 | 87.5% |
| 2006 | 5 | 23,148 mi | 1,949 | 86.21% |
| 2005 | 6 | 26,439 mi | 919 | 78.57% |
| 2004 | 17 | 16,825 mi | 349 | 79.52% |
| 2003 | 22 | 21,512 mi | 1,192 | 77.06% |
| 2002 | 26 | 31,436 mi | 2,330 | 75.2% |
| 2001 | 30 | 27,966 mi | 1,484 | 79.65% |
| 2000 | 51 | 29,643 mi | 687 | 79.42% |
| 1999 | 70 | 32,642 mi | 1,364 | 82.02% |
| 1998 | 95 | 26,895 mi | 1,373 | 81.4% |
| 1997 | 152 | 28,484 mi | 1,428 | 79.84% |
| 1996 | 36 | 26,214 mi | 922 | 74.84% |
| 1995 | 17 | 22,433 mi | 406 | 87.59% |
| 1994 | 34 | 32,652 mi | 1,476 | 80.06% |
| 1993 | 48 | 31,699 mi | 839 | 79.95% |
| 1992 | 33 | 24,891 mi | 2,686 | 78.04% |
| 1990 | 5 | 32,360 mi | 526 | 80% |
| 1989 | 5 | 36,294 mi | 1,568 | 82.98% |
| 1982 | 7 | 29,748 mi | 299 | 85.45% |
| 1981 | 5 | 43,705 mi | 419 | 79.07% |
CB400 questions, answered with data
What are the most common problems with the Honda CB400?
Across 1,169 UK examples, the most frequently recorded MOT faults are wheels (13% of all recorded faults), controls and cables (12.5% of all recorded faults), fluid leaks (9.7% of all recorded faults).
What is average mileage for a Honda CB400?
The median Honda CB400 in the UK has covered 28,847 miles, and typically rides about 294 miles a year. Half of all examples fall between 17,260 and 40,655 miles.
Is the Honda CB400 reliable?
81.95% of Honda CB400 MOT tests are passed first time, with an average of 0.04 faults recorded per test. This is measured from DVSA MOT records, not owner opinion.
Based on DVSA MOT test records for 1,169 Honda CB400 motorcycles registered in Great Britain and Northern Ireland. Contains public sector information licensed under the Open Government Licence v3.0.