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

KAWASAKI ER 400 DLF

399cc Petrol Class 2
92.8%
first-time pass rate
3.4%
failed outright
3,772
median miles at test
208
MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2023–2025

The ER 400 DLF's first-time pass rate has held steady since 2023 (94.3% → 93.8%).

90%93%95%2023: 94.3% pass (53 tests)2024: 90.7% pass (75 tests)2025: 93.8% pass (80 tests)20232025

What fails on a ER 400 DLF

failure defects by component group · advisories excluded
Component group Share of defects Defects % of defects
tyres
4 44.4
Identification of the vehicle
1 11.1
brakes
1 11.1
lamps and reflectors
1 11.1
structure and attachments
1 11.1
suspension
1 11.1

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 DLF 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 DLF.

Pass rate by registration year

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

Best year to buy used: 2021 (93.7% pass). Weakest: 2020 (92.3%).

92%93%95%2020: 92.3% pass (142 tests)2021: 93.7% pass (63 tests)20202021

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.