BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ YAMAHA/YQ 50 AERO
Model report · 2005–2025

YAMAHA YQ 50 AERO

49cc Petrol Class 1
51.1%
first-time pass rate
35.5%
failed outright
10,247
median miles at test
186
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2006–2008

The YQ 50 AERO's first-time pass rate has risen 2.4 points since 2006, 44.4% to 46.8%.

39%56%73%2006: 44.4% pass (36 tests)2007: 67.5% pass (40 tests)2008: 46.8% pass (62 tests)20062008

What fails on a YQ 50 AERO

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
108 40.9
steering and suspension
60 22.7
brakes
47 17.8
fuel and exhaust
15 5.7
tyres and wheels
14 5.3
body and structure
14 5.3
Items Not Tested
3 1.1
driving controls
2 0.8
reg plates and vin
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 YQ 50 AERO beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

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 YQ 50 AERO.