KAWASAKI EX 250 K9F

249cc Petrol Class 2

#4108 of 5426 overall #497 of 592 KAWASAKIs #2579 of 2787 other bikes

76.6%

first-time pass rate

14.7%

failed outright

9,510

median miles at test

2,342

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2025

The EX 250 K9F's first-time pass rate has fallen 2.3 points since 2011, 76.4% to 74.1%.

Pass rate by mileage

how the EX 250 K9F's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 250 K9F passes first time 84.9% of the time; by 30k that's 65.3%.

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 K9F

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	256	31.4	1.7×
lighting and signalling	134	16.5	1.0×
steering and suspension	98	12	1.1×
lamps and reflectors	84	10.3	1.6×
tyres and wheels	62	7.6	1.1×
suspension	55	6.8	2.6×
structure and attachments	51	6.3	2.0×
drive system	34	4.2	1.8×
tyres	30	3.7	1.4×
steering	10	1.2	1.0×

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 K9F 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 K9F.

Pass rate by registration year

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

Best year to buy used: 2010 (81.2% pass). Weakest: 2008 (75.0%).

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 K9F FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 250 K9F reliable?

The KAWASAKI EX 250 K9F is less reliable than average for its class: 76.6% of its 2,342 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #4108 of 5426 models.

What does a EX 250 K9F fail its MOT on most?

brakes — 31% of all defects recorded against failed EX 250 K9F tests.

What is the best year of EX 250 K9F to buy used?

By first-time pass rate, 2010-registered examples do best (81.2%) and 2008 worst (75.0%). Condition and history still trump the year.

How many miles will a EX 250 K9F last?

The median EX 250 K9F shows 9,510 miles at test, and examples around 30k miles still pass 65.3% of the time — mileage alone rarely kills one.