Suzuki GSF 600 Y vs Kawasaki ZX-6R

The Suzuki GSF 600 Y passes its MOT first time more often than the Kawasaki ZX-6R: 79.1% vs 78.1%, a 1.0-point lead.

MOT reliability, side by side

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

Metric	Suzuki GSF 600 Y	Kawasaki ZX-6R
First-time pass rate	79.1%	78.1%
Outright fail rate	12.3%	14.0%
Median miles at test	15,235	19,446
MOT tests analysed	1,362	173,956
Most common failure	brakes	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.

SUZUKI GSF 600 Y 79.1% pass · 1,362 tests KAWASAKI ZX-6R 78.1% pass · 174k tests

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