KAWASAKI EX 250 KAF

249cc Petrol Class 2

#3963 of 5426 overall #469 of 592 KAWASAKIs #2509 of 2787 other bikes

77.6%

first-time pass rate

14.0%

failed outright

9,500

median miles at test

1,637

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2013–2025

The EX 250 KAF's first-time pass rate has fallen 2.5 points since 2013, 74.7% to 72.2%.

Pass rate by mileage

how the EX 250 KAF's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 250 KAF passes first time 84.4% of the time; by 30k that's 66.1%.

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 250 KAF

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	155	30.5	1.6×
lamps and reflectors	82	16.1	2.1×
steering and suspension	57	11.2	1.0×
lighting and signalling	55	10.8	0.6×
suspension	46	9	3.3×
tyres and wheels	30	5.9	0.9×
structure and attachments	29	5.7	2.1×
tyres	27	5.3	2.1×
drive system	18	3.5	1.2×
steering	10	2	1.3×

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 250 KAF beats 0 of its 4 closest rivals (YAMAHA YP250, YAMAHA WR250F, HONDA XR250).

YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k tests HONDA XR250 78.8% pass · 9,277 tests HONDA CBF250 84.9% pass · 7,536 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 250 KAF.

Pass rate by registration year

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

Best year to buy used: 2011 (80.8% pass). Weakest: 2012 (75.1%).

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 250 KAF FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 250 KAF reliable?

The KAWASAKI EX 250 KAF is less reliable than average for its class: 77.6% of its 1,637 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #3963 of 5426 models.

What does a EX 250 KAF fail its MOT on most?

brakes — 30% of all defects recorded against failed EX 250 KAF tests.

What is the best year of EX 250 KAF to buy used?

By first-time pass rate, 2011-registered examples do best (80.8%) and 2012 worst (75.1%). Condition and history still trump the year.

How many miles will a EX 250 KAF last?

The median EX 250 KAF shows 9,500 miles at test, and examples around 30k miles still pass 66.1% of the time — mileage alone rarely kills one.