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

YAMAHA YZF250

250cc Petrol Class 2
74.2%
first-time pass rate
16.9%
failed outright
1,848
median miles at test
124
MOT tests, 2005–2025

What fails on a YZF250

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lighting and signalling
17 24.6
steering and suspension
16 23.2
tyres and wheels
9 13
brakes
8 11.6
drive system
4 5.8
suspension
4 5.8
structure and attachments
3 4.3
lamps and reflectors
3 4.3
reg plates and vin
3 4.3
fuel and exhaust
2 2.9

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