SUZUKI AY 50 K3

49cc Petrol Class 1

75.6%

first-time pass rate

19.4%

failed outright

6,909

median miles at test

160

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2008

The AY 50 K3's first-time pass rate has fallen 8.7 points since 2007, 81.4% to 72.7%.

What fails on a AY 50 K3

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	18	32.7
steering and suspension	15	27.3
fuel and exhaust	7	12.7
brakes	6	10.9
tyres and wheels	6	10.9
lamps and reflectors	2	3.6
body and structure	1	1.8

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 AY 50 K3 beats 4 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 AY 50 K3.

Pass rate by registration year

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

Best year to buy used: 2004 (82.1% pass). Weakest: 2003 (68.8%).

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.