Kawasaki GPZ600R vs Suzuki GSF600

The Suzuki GSF600 passes its MOT first time more often than the Kawasaki GPZ600R — 77.3% vs 71.4%, a 5.9-point lead.

MOT reliability, side by side

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

Metric	Kawasaki GPZ600R	Suzuki GSF600
First-time pass rate	71.4%	77.3%
Outright fail rate	20.5%	14.2%
Median miles at test	36,306	21,080
MOT tests analysed	3,752	143,023
Most common failure	brakes	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 GPZ600R 71.4% pass · 3,752 tests SUZUKI GSF600 77.3% pass · 143k tests

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