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

YAMAHA YZF450

450cc Petrol Class 2
81.4%
first-time pass rate
15.3%
failed outright
3,604
median miles at test
59
MOT tests, 2005–2025

What fails on a YZF450

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
6 21.4
lighting and signalling
4 14.3
audible warning (Horn)
4 14.3
tyres
3 10.7
brakes
3 10.7
suspension
3 10.7
Identification of the vehicle
2 7.1
steering
1 3.6
structure and attachments
1 3.6
fuel and exhaust
1 3.6

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 YZF450 beats 1 of its 1 closest rivals (HONDA CBR400).

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 YZF450.