Model report · 2005–2025
HONDA CBR400 NC23
398cc
Petrol
Class 2
75.8%
first-time pass rate
15.4%
failed outright
36,160
median miles at test
91
MOT tests, 2005–2025
What fails on a CBR400 NC23
failure defects by component group · advisories excluded
| Component group | Share of defects | Defects | % of defects |
|---|---|---|---|
| lighting and signalling |
|
11 | 28.2 |
| steering and suspension |
|
10 | 25.6 |
| brakes |
|
4 | 10.3 |
| fuel and exhaust |
|
4 | 10.3 |
| body and structure |
|
3 | 7.7 |
| reg plates and vin |
|
3 | 7.7 |
| tyres and wheels |
|
1 | 2.6 |
| driving controls |
|
1 | 2.6 |
| structure and attachments |
|
1 | 2.6 |
| lamps and reflectors |
|
1 | 2.6 |
Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.
How rivals compare
same type, similar capacity, high test volume
On first-time pass rate the CBR400 NC23 beats 1 of its 1 closest rivals (HONDA CBR400).
Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the CBR400 NC23.
Pass rate by registration year
how each model-year cohort fares · registration year from first use date
Best year to buy used: 1988 (67.9% pass). Weakest: 1988 (67.9%).
First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.