HONDA CB400 SUPER 4

400cc Petrol Class 2

72.4%

first-time pass rate

14.6%

failed outright

31,674

median miles at test

123

MOT tests, 2005–2025

What fails on a CB400 SUPER 4

failure defects by component group · advisories excluded

Component group	Defects	% of defects
steering and suspension	12	27.9
brakes	9	20.9
lighting and signalling	9	20.9
tyres and wheels	9	20.9
driving controls	3	7
body and structure	1	2.3

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 CB400 SUPER 4 beats 0 of its 3 closest rivals (HONDA CB500, HONDA CB400, HONDA CB400N).

HONDA CB500 83.3% pass · 105k tests HONDA CB400 80.9% pass · 9,072 tests HONDA CB400N 77.5% pass · 5,366 tests

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 CB400 SUPER 4.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 1993 (74.5% pass). Weakest: 1992 (63.0%).

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.