BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

HONDA CB400S

399cc Petrol Class 2
79.2%
first-time pass rate
9.4%
failed outright
40,862
median miles at test
53
MOT tests, 2005–2025

What fails on a CB400S

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
5 35.7
brakes
3 21.4
suspension
3 21.4
body and structure
1 7.1
steering and suspension
1 7.1
structure and attachments
1 7.1

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 CB400S beats 1 of its 3 closest rivals (HONDA CB500, HONDA CB400, HONDA CB400N).

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 CB400S.