Kawasaki Z440 vs Yamaha XV535

The Yamaha XV535 passes its MOT first time more often than the Kawasaki Z440: 82.7% vs 80.9%, a 1.8-point lead.

MOT reliability, side by side

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

Metric	Kawasaki Z440	Yamaha XV535
First-time pass rate	80.9%	82.7%
Outright fail rate	11.8%	9.8%
Median miles at test	27,383	15,604
MOT tests analysed	760	48,056
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 Z440 80.9% pass · 760 tests YAMAHA XV535 82.7% pass · 48.1k tests

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