SKYTEAM ST 50-3 SM

49cc Petrol Class 1

#5377 of 5426 overall #7 of 7 SKYTEAMs #433 of 455 moped bikes

52.1%

first-time pass rate

37.7%

failed outright

4,436

median miles at test

236

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2012–2014

The ST 50-3 SM's first-time pass rate has risen 11.1 points since 2012, 43.9% to 55.0%.

What fails on a ST 50-3 SM

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	143	39.1
steering and suspension	95	26
brakes	46	12.6
drive system	32	8.7
fuel and exhaust	12	3.3
body and structure	11	3
tyres and wheels	11	3
reg plates and vin	7	1.9
driving controls	6	1.6
lamps and reflectors	3	0.8

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 ST 50-3 SM 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 ST 50-3 SM.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2010 (53.6% pass). Weakest: 2008 (52.0%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.