BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ DERBI/BOULEVARD
Model report · 2005–2025

DERBI BOULEVARD

124cc Petrol Class 1
61.0%
first-time pass rate
28.0%
failed outright
6,228
median miles at test
100
MOT tests, 2005–2025

What fails on a BOULEVARD

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
25 37.3
steering and suspension
11 16.4
brakes
10 14.9
tyres and wheels
9 13.4
lamps and reflectors
4 6
fuel and exhaust
4 6
driving controls
2 3
steering
1 1.5
structure and attachments
1 1.5

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects.