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

KAWASAKI KX450

450cc Petrol Class 2
85.3%
first-time pass rate
12.0%
failed outright
1,286
median miles at test
75
MOT tests, 2005–2025

What fails on a KX450

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
4 21.1
tyres and wheels
4 21.1
suspension
3 15.8
lighting and signalling
2 10.5
Identification of the vehicle
2 10.5
structure and attachments
1 5.3
brakes
1 5.3
tyres
1 5.3
audible warning (Horn)
1 5.3

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 KX450 beats 3 of its 4 closest rivals (KAWASAKI ER5, YAMAHA XV535, SUZUKI GS500).

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 KX450.