BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
Model report · 2005–2025

WK BIKES COLT 125

125cc Petrol Class 1
74.8%
first-time pass rate
16.8%
failed outright
2,870
median miles at test
107
MOT tests, 2005–2025

What fails on a COLT 125

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
16 25.8
lamps and reflectors
14 22.6
structure and attachments
14 22.6
suspension
7 11.3
steering
5 8.1
audible warning (Horn)
3 4.8
Identification of the vehicle
2 3.2
tyres
1 1.6

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 COLT 125 beats 4 of its 4 closest rivals (YAMAHA YBR 125, HONDA CG125, HONDA CBF125).

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 COLT 125.