CH RACING WSM 50

49cc Petrol Class 1

51.8%

first-time pass rate

44.5%

failed outright

5,322

median miles at test

110

MOT tests, 2005–2025

What fails on a WSM 50

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	82	44.1
steering and suspension	32	17.2
brakes	21	11.3
drive system	19	10.2
fuel and exhaust	8	4.3
body and structure	8	4.3
lamps and reflectors	5	2.7
reg plates and vin	5	2.7
structure and attachments	3	1.6
suspension	3	1.6

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 WSM 50 beats 0 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 WSM 50.