KAWASAKI EX 400 GJFA KRT EDITION

399cc Petrol Class 2

#1303 of 5426 overall #161 of 592 KAWASAKIs #798 of 2787 other bikes

88.9%

first-time pass rate

5.2%

failed outright

6,205

median miles at test

593

MOT tests, 2005–2025

Pass rate over time

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

The EX 400 GJFA KRT EDITION's first-time pass rate has risen 5.4 points since 2021, 85.0% to 90.4%.

Pass rate by mileage

how the EX 400 GJFA KRT EDITION's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 400 GJFA KRT EDITION passes first time 91.3% of the time; by 20k that's 78.8%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a EX 400 GJFA KRT EDITION

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lamps and reflectors	14	28.6	1.2×
tyres	10	20.4	2.5×
structure and attachments	9	18.4	1.7×
suspension	6	12.2	1.4×
brakes	4	8.2	0.2×
steering	4	8.2	1.6×
Other	1	2	—
Identification of the vehicle	1	2	0.7×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the EX 400 GJFA KRT EDITION 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 GJFA KRT EDITION.

Pass rate by registration year

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

Best year to buy used: 2018 (89.1% pass). Weakest: 2018 (89.1%).

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.

KAWASAKI EX 400 GJFA KRT EDITION FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 400 GJFA KRT EDITION reliable?

The KAWASAKI EX 400 GJFA KRT EDITION is more reliable than average for its class: 88.9% of its 593 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #1303 of 5426 models.

What does a EX 400 GJFA KRT EDITION fail its MOT on most?

lamps and reflectors — 29% of all defects recorded against failed EX 400 GJFA KRT EDITION tests.

How many miles will a EX 400 GJFA KRT EDITION last?

The median EX 400 GJFA KRT EDITION shows 6,205 miles at test, and examples around 20k miles still pass 78.8% of the time — mileage alone rarely kills one.