BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025
60.7%
first-time pass rate
27.2%
failed outright
9,661
median miles at test
290
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2016–2017

The ZSX 125's first-time pass rate has fallen 15.0 points since 2016, 61.0% to 46.0%.

42%54%65%2016: 61.0% pass (77 tests)2017: 46.0% pass (50 tests)20162017

What fails on a ZSX 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
42 20.4
lighting and signalling
39 18.9
steering and suspension
31 15
brakes
24 11.7
structure and attachments
23 11.2
drive system
15 7.3
steering
13 6.3
suspension
7 3.4
fuel and exhaust
6 2.9
tyres
6 2.9

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 ZSX 125 beats 0 of its 4 closest rivals (PIAGGIO VESPA, HONDA PCX 125, HONDA Vision 110).

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 ZSX 125.

Pass rate by registration year

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

Best year to buy used: 2013 (63.1% pass). Weakest: 2013 (63.1%).

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.