HONDA CB400F1

408cc Petrol Class 2

86.5%

first-time pass rate

5.2%

failed outright

43,490

median miles at test

MOT tests, 2005–2025

What fails on a CB400F1

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	5	33.3
steering and suspension	3	20
brakes	2	13.3
suspension	1	6.7
audible warning (Horn)	1	6.7
tyres and wheels	1	6.7
drive system	1	6.7
fuel and exhaust	1	6.7

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 CB400F1 beats 3 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 CB400F1.

Pass rate by registration year

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

Best year to buy used: 1976 (82.1% pass). Weakest: 1976 (82.1%).

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.