YIBEN MEIDUC YB 50 QT-9

50cc Petrol Class 1

#5375 of 5426 overall #1 of 1 YIBEN MEIDUCs #432 of 455 moped bikes

52.2%

first-time pass rate

39.2%

failed outright

7,742

median miles at test

232

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2012

The YB 50 QT-9's first-time pass rate has risen 1.5 points since 2011, 46.2% to 47.7%.

What fails on a YB 50 QT-9

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	105	36.1
steering and suspension	62	21.3
brakes	62	21.3
tyres and wheels	37	12.7
fuel and exhaust	11	3.8
suspension	5	1.7
lamps and reflectors	4	1.4
structure and attachments	2	0.7
driving controls	2	0.7
Items Not Tested	1	0.3

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 YB 50 QT-9 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 YB 50 QT-9.

Pass rate by registration year

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

Best year to buy used: 2007 (60.7% pass). Weakest: 2008 (52.2%).

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.