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

KAWASAKI ER 400 DKF

399cc Petrol Class 2
93.9%
first-time pass rate
2.0%
failed outright
4,268
median miles at test
444
MOT tests, 2005–2025

Pass rate over time

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

The ER 400 DKF's first-time pass rate has fallen 2.9 points since 2022, 94.9% to 92.0%.

91%94%97%2022: 94.9% pass (99 tests)2023: 93.4% pass (121 tests)2024: 95.5% pass (110 tests)2025: 92.0% pass (112 tests)20222025

What fails on a ER 400 DKF

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
brakes
4 30.8
lamps and reflectors
4 30.8
structure and attachments
2 15.4
tyres
2 15.4
suspension
1 7.7

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 ER 400 DKF 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 ER 400 DKF.

Pass rate by registration year

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

Best year to buy used: 2019 (93.8% pass). Weakest: 2020 (93.5%).

93%94%95%2019: 93.8% pass (357 tests)2020: 93.5% pass (77 tests)20192020

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.