Kawasaki EX305-B5 vs Yamaha WR250F

The Yamaha WR250F passes its MOT first time more often than the Kawasaki EX305-B5: 78.0% vs 76.3%, a 1.7-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Kawasaki EX305-B5	Yamaha WR250F
First-time pass rate	76.3%	78.0%
Outright fail rate	15.1%	12.8%
Median miles at test	25,422	3,018
MOT tests analysed	596	10,465
Most common failure	steering and suspension	lighting and signalling

First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.

KAWASAKI EX305-B5 76.3% pass · 596 tests YAMAHA WR250F 78.0% pass · 10.5k tests

See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.