ADLY JET 50

49cc Petrol Class 1

76.0%

first-time pass rate

14.0%

failed outright

7,963

median miles at test

100

MOT tests, 2005–2025

What fails on a JET 50

failure defects by component group · advisories excluded

Component group	Defects	% of defects
brakes	17	37
lighting and signalling	13	28.3
steering and suspension	11	23.9
fuel and exhaust	2	4.3
driving controls	1	2.2
reg plates and vin	1	2.2
tyres and wheels	1	2.2

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 JET 50 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 JET 50.