SUKIDA SK 50 QT-21

50cc Petrol Class 1

#5200 of 5426 overall #5 of 10 SUKIDAs #375 of 455 moped bikes

60.4%

first-time pass rate

30.1%

failed outright

5,384

median miles at test

346

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2014

The SK 50 QT-21's first-time pass rate has risen 2.4 points since 2010, 58.5% to 60.9%.

What fails on a SK 50 QT-21

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	94	31
brakes	73	24.1
steering and suspension	70	23.1
tyres and wheels	33	10.9
fuel and exhaust	10	3.3
body and structure	10	3.3
driving controls	4	1.3
lamps and reflectors	3	1
Items Not Tested	3	1
reg plates and vin	3	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 SK 50 QT-21 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 SK 50 QT-21.

Pass rate by registration year

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

Best year to buy used: 2008 (63.4% pass). Weakest: 2007 (58.9%).

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.