BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ KAWASAKI/EX 400 GKFA
Model report · 2005–2025

KAWASAKI EX 400 GKFA

399cc Petrol Class 2
87.7%
first-time pass rate
5.2%
failed outright
6,018
median miles at test
310
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2022–2025

The EX 400 GKFA's first-time pass rate has held steady since 2022 (87.5% → 87.1%).

85%87%89%2022: 87.5% pass (72 tests)2023: 88.4% pass (86 tests)2024: 85.7% pass (70 tests)2025: 87.1% pass (70 tests)20222025

What fails on a EX 400 GKFA

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
lamps and reflectors
11 28.2
tyres
8 20.5
brakes
6 15.4
structure and attachments
6 15.4
suspension
5 12.8
wheels
1 2.6
steering
1 2.6
Identification of the vehicle
1 2.6

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 EX 400 GKFA beats 4 of its 4 closest rivals (KAWASAKI ER5, SUZUKI GS500, SUZUKI AN400).

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 EX 400 GKFA.

Pass rate by registration year

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

Best year to buy used: 2019 (89.5% pass). Weakest: 2019 (89.5%).

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.