JM STAR JSD 50 QT-13

50cc Petrol Class 1

#5166 of 5426 overall #1 of 1 JM STARs #367 of 455 moped bikes

61.4%

first-time pass rate

28.8%

failed outright

2,832

median miles at test

285

MOT tests, 2005–2025

Pass rate over time

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

The JSD 50 QT-13's first-time pass rate has risen 11.9 points since 2010, 59.5% to 71.4%.

What fails on a JSD 50 QT-13

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	82	35.5
brakes	56	24.2
steering and suspension	45	19.5
tyres and wheels	30	13
fuel and exhaust	9	3.9
body and structure	8	3.5
driving controls	1	0.4

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 JSD 50 QT-13 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 JSD 50 QT-13.

Pass rate by registration year

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

Best year to buy used: 2007 (60.4% pass). Weakest: 2008 (56.6%).

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.