HONDA C9

85cc Petrol Class 1

69.7%

first-time pass rate

21.7%

failed outright

21,319

median miles at test

152

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2008

The C9's first-time pass rate has fallen 11.5 points since 2006, 76.7% to 65.2%.

how the C9's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage C9 passes first time 73.9% of the time; by 30k that's 56.7%.

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.

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	38	31.4
steering and suspension	31	25.6
brakes	13	10.7
tyres and wheels	11	9.1
fuel and exhaust	10	8.3
drive system	8	6.6
body and structure	6	5
reg plates and vin	2	1.7
steering	1	0.8
structure and attachments	1	0.8

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.

same type, similar capacity, high test volume

On first-time pass rate the C9 beats 1 of its 4 closest rivals (HONDA C90, HONDA SCV100, YAMAHA YQ100).

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 C9.