LONGJIA LJ 50 QT-F

49cc Petrol Class 1

#5242 of 5426 overall #3 of 4 LONGJIAs #387 of 455 moped bikes

59.1%

first-time pass rate

28.8%

failed outright

5,894

median miles at test

257

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2010–2015

The LJ 50 QT-F's first-time pass rate has risen 9.5 points since 2010, 50.0% to 59.5%.

What fails on a LJ 50 QT-F

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	60	27.9
brakes	48	22.3
steering and suspension	40	18.6
tyres and wheels	24	11.2
fuel and exhaust	16	7.4
lamps and reflectors	13	6
body and structure	5	2.3
tyres	5	2.3
reg plates and vin	2	0.9
structure and attachments	2	0.9

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 LJ 50 QT-F 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 LJ 50 QT-F.

Pass rate by registration year

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

Best year to buy used: 2012 (66.1% pass). Weakest: 2007 (62.8%).

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.