BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025
76.4%
first-time pass rate
14.0%
failed outright
7,797
median miles at test
399
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2007–2015

The 125's first-time pass rate has fallen 15.2 points since 2007, 87.1% to 71.9%.

68%80%91%2007: 87.1% pass (31 tests)2013: 81.3% pass (32 tests)2014: 74.3% pass (35 tests)2015: 71.9% pass (32 tests)20072015

Pass rate by mileage

how the 125's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage 125 passes first time 79.9% of the time; by 20k that's 72.5%.

71%76%81%0k: 79.9% pass (209 tests)10k: 74.3% pass (109 tests)20k: 72.5% pass (51 tests)0k10k20k

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
39 28.7
lamps and reflectors
26 19.1
steering and suspension
24 17.6
brakes
14 10.3
tyres and wheels
10 7.4
fuel and exhaust
6 4.4
body and structure
5 3.7
tyres
5 3.7
audible warning (Horn)
4 2.9
structure and attachments
3 2.2

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 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 125.