HONDA 400RR

399cc Petrol Class 2

82.5%

first-time pass rate

12.6%

failed outright

36,943

median miles at test

183

MOT tests, 2005–2025

Pass rate by mileage

how the 400RR's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage 400RR passes first time 89.2% of the time; by 40k that's 84.2%.

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 400RR

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	20	40.8
brakes	9	18.4
steering and suspension	9	18.4
tyres and wheels	4	8.2
drive system	3	6.1
body and structure	2	4.1
driving controls	1	2
reg plates and vin	1	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 400RR beats 3 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

KAWASAKI ER5 77.4% pass · 53.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k 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 400RR.