Yamaha XJ 6 S Diversion vs Suzuki GSF600

The Yamaha XJ 6 S Diversion passes its MOT first time more often than the Suzuki GSF600 — 87.7% vs 77.3%, a 10.4-point lead.

MOT reliability, side by side

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

Metric	Yamaha XJ 6 S Diversion	Suzuki GSF600
First-time pass rate	87.7%	77.3%
Outright fail rate	6.7%	14.2%
Median miles at test	13,435	21,080
MOT tests analysed	8,519	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.

YAMAHA XJ 6 S DIVERSION 87.7% pass · 8,519 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.