BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ ZNEN/ZN 50 QT-51 FLAIR
Model report · 2005–2025

ZNEN ZN 50 QT-51 FLAIR

49cc Petrol Class 1
63.3%
first-time pass rate
28.9%
failed outright
5,089
median miles at test
128
MOT tests, 2005–2025

What fails on a ZN 50 QT-51 FLAIR

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
27 27.8
brakes
16 16.5
lamps and reflectors
16 16.5
tyres and wheels
12 12.4
steering and suspension
11 11.3
suspension
6 6.2
fuel and exhaust
3 3.1
tyres
3 3.1
audible warning (Horn)
2 2.1
structure and attachments
1 1

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 ZN 50 QT-51 FLAIR 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 ZN 50 QT-51 FLAIR.

Pass rate by registration year

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

Best year to buy used: 2013 (64.9% pass). Weakest: 2012 (60.8%).

60%63%66%2012: 60.8% pass (51 tests)2013: 64.9% pass (77 tests)20122013

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.