KAWASAKI EX 400 GJF

399cc Petrol Class 2

#823 of 5426 overall #92 of 592 KAWASAKIs #502 of 2787 other bikes

90.4%

first-time pass rate

6.4%

failed outright

5,614

median miles at test

250

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2021–2025

The EX 400 GJF's first-time pass rate has fallen 2.9 points since 2021, 91.3% to 88.4%.

What fails on a EX 400 GJF

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lamps and reflectors	10	38.5
tyres	6	23.1
structure and attachments	4	15.4
suspension	3	11.5
brakes	2	7.7
Identification of the vehicle	1	3.8

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

KAWASAKI ER5 77.4% pass · 53.1k tests SUZUKI GS500 76.4% pass · 44.9k tests SUZUKI AN400 86.2% pass · 27.1k tests SUZUKI DR-Z400S 80.4% pass · 26.8k tests

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 GJF.

Pass rate by registration year

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

Best year to buy used: 2018 (91.3% pass). Weakest: 2018 (91.3%).

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.