KAWASAKI EX305-B9

305cc Petrol Class 2

#3334 of 5426 overall #393 of 592 KAWASAKIs #2126 of 2787 other bikes

81.2%

first-time pass rate

13.9%

failed outright

20,536

median miles at test

202

MOT tests, 2005–2025

Pass rate by mileage

how the EX305-B9's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX305-B9 passes first time 81.8% of the time; by 20k that's 86.4%.

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 EX305-B9

failure defects by component group · advisories excluded

Component group	Defects	% of defects
steering and suspension	16	34.8
brakes	12	26.1
tyres and wheels	5	10.9
lighting and signalling	2	4.3
lamps and reflectors	2	4.3
driving controls	2	4.3
fuel and exhaust	2	4.3
suspension	2	4.3
tyres	2	4.3
audible warning (Horn)	1	2.2

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 EX305-B9 beats 1 of its 4 closest rivals (SUZUKI AN400, YAMAHA RD350, YAMAHA YP250).

SUZUKI AN400 86.2% pass · 27.1k tests YAMAHA RD350 86.3% pass · 19.6k tests YAMAHA YP250 82.5% pass · 12.4k tests YAMAHA WR250F 78.0% pass · 10.5k 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 EX305-B9.

Pass rate by registration year

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

Best year to buy used: 1994 (84.7% pass). Weakest: 1993 (79.8%).

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.