KAWASAKI ZX-6R vs YAMAHA XJ600

The KAWASAKI ZX-6R passes its MOT first time more often than the YAMAHA XJ600 — 78.1% vs 76.5%, a 1.6-point lead.

MOT reliability, side by side

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

Metric	KAWASAKI ZX-6R	YAMAHA XJ600
First-time pass rate	78.1%	76.5%
Outright fail rate	14.0%	16.0%
Median miles at test	19,446	24,197
MOT tests analysed	173,953	60,557
Most common failure	lighting and signalling	brakes

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 ZX-6R 78.1% pass · 174k tests YAMAHA XJ600 76.5% pass · 60.6k tests

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