KAWASAKI EX 250 K8F

250cc Petrol Class 2

#4095 of 5426 overall #494 of 592 KAWASAKIs #2576 of 2787 other bikes

76.7%

first-time pass rate

14.2%

failed outright

9,117

median miles at test

1,184

MOT tests, 2005–2025

Pass rate over time

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

The EX 250 K8F's first-time pass rate has held steady since 2011 (75.4% → 75.7%).

Pass rate by mileage

how the EX 250 K8F's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX 250 K8F passes first time 82.2% of the time; by 30k that's 75.0%.

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 K8F

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
brakes	138	33.3	1.9×
lighting and signalling	53	12.8	0.9×
lamps and reflectors	44	10.6	1.6×
tyres and wheels	39	9.4	1.1×
steering and suspension	38	9.2	0.8×
drive system	36	8.7	2.7×
tyres	23	5.5	1.7×
suspension	20	4.8	1.9×
reg plates and vin	13	3.1	1.2×
structure and attachments	11	2.7	1.2×

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 K8F 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 K8F.

Pass rate by registration year

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

Best year to buy used: 2008 (77.0% pass). Weakest: 2008 (77.0%).

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 K8F FAQ

answers computed from the data above · terms in the glossary

Is the KAWASAKI EX 250 K8F reliable?

The KAWASAKI EX 250 K8F is less reliable than average for its class: 76.7% of its 1,184 MOT tests (2005–2025) passed first time, against a class average of 84.9%. That ranks it #4095 of 5426 models.

What does a EX 250 K8F fail its MOT on most?

brakes — 33% of all defects recorded against failed EX 250 K8F tests.

How many miles will a EX 250 K8F last?

The median EX 250 K8F shows 9,117 miles at test, and examples around 30k miles still pass 75.0% of the time — mileage alone rarely kills one.