KAWASAKI EX305-B10

306cc Petrol Class 2

77.0%

first-time pass rate

18.3%

failed outright

22,843

median miles at test

126

MOT tests, 2005–2025

Pass rate by mileage

how the EX305-B10's first-time pass rate falls with the odometer · class average 84.9%

A low-mileage EX305-B10 passes first time 75.0% of the time; by 30k that's 71.0%.

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 EX305-B10

failure defects by component group · advisories excluded

Component group	Defects	% of defects
lighting and signalling	21	42.9
steering and suspension	11	22.4
brakes	8	16.3
steering	2	4.1
drive system	2	4.1
tyres and wheels	1	2
driving controls	1	2
structure and attachments	1	2
tyres	1	2
Identification of the vehicle	1	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-B10 beats 0 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-B10.

Pass rate by registration year

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

Best year to buy used: 1997 (82.4% pass). Weakest: 1997 (82.4%).

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.