HONDA CBR400R

399cc Petrol Class 2

#4243 of 5426 overall #811 of 921 HONDAs #200 of 226 sport bikes

75.5%

first-time pass rate

16.2%

failed outright

33,794

median miles at test

327

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2007

The CBR400R's first-time pass rate has risen 12.6 points since 2006, 70.7% to 83.3%.

Pass rate by mileage

how the CBR400R's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage CBR400R passes first time 74.4% of the time; by 50k that's 79.2%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a CBR400R

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	36	26.7
steering and suspension	30	22.2
brakes	25	18.5
tyres and wheels	20	14.8
drive system	5	3.7
fuel and exhaust	5	3.7
Items Not Tested	4	3
body and structure	4	3
lamps and reflectors	3	2.2
reg plates and vin	3	2.2

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 CBR400R beats 1 of its 1 closest rivals (HONDA CBR400).

HONDA CBR400 74.0% pass · 7,949 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 CBR400R.

Pass rate by registration year

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

Best year to buy used: 1991 (78.8% pass). Weakest: 1988 (71.9%).

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.