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

KAWASAKI EN450-A3

454cc Petrol Class 2
76.2%
first-time pass rate
17.0%
failed outright
22,564
median miles at test
147
MOT tests, 2005–2025

What fails on a EN450-A3

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
steering and suspension
17 30.4
lighting and signalling
9 16.1
structure and attachments
7 12.5
fuel and exhaust
7 12.5
brakes
6 10.7
lamps and reflectors
4 7.1
tyres and wheels
2 3.6
driving controls
2 3.6
steering
1 1.8
reg plates and vin
1 1.8

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 EN450-A3 beats 0 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 EN450-A3.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 1987 (78.8% pass). Weakest: 1988 (73.1%).

72%76%80%1987: 78.8% pass (80 tests)1988: 73.1% pass (67 tests)19871988

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.