WK BIKES MII

49cc Petrol Class 1

77.9%

first-time pass rate

16.3%

failed outright

3,920

median miles at test

MOT tests, 2005–2025

What fails on a MII

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	12	30
lighting and signalling	10	25
suspension	5	12.5
brakes	5	12.5
structure and attachments	3	7.5
tyres	2	5
steering	1	2.5
Identification of the vehicle	1	2.5
steering and suspension	1	2.5

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 MII beats 4 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k 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 MII.