GILERA STORM

49cc Petrol Class 1

66.7%

first-time pass rate

26.1%

failed outright

7,746

median miles at test

MOT tests, 2005–2025

What fails on a STORM

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	13	27.1
lighting and signalling	8	16.7
lamps and reflectors	7	14.6
steering and suspension	6	12.5
tyres and wheels	5	10.4
suspension	3	6.2
Items Not Tested	2	4.2
steering	2	4.2
wheels	1	2.1
body and structure	1	2.1

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 STORM beats 2 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 STORM.