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

KAWASAKI KX450F

449cc Petrol Class 2
85.9%
first-time pass rate
9.7%
failed outright
228
median miles at test
185
MOT tests, 2005–2025

What fails on a KX450F

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
9 16.4
tyres and wheels
8 14.5
lighting and signalling
7 12.7
structure and attachments
7 12.7
steering and suspension
5 9.1
suspension
5 9.1
tyres
4 7.3
Identification of the vehicle
4 7.3
steering
3 5.5
audible warning (Horn)
3 5.5

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 KX450F 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 KX450F.