Head-to-head · 2005–2025
Yamaha XJ600 vs Suzuki SV650S
The Suzuki SV650S passes its MOT first time more often than the Yamaha XJ600 — 80.6% vs 76.5%, a 4.1-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Yamaha XJ600 | Suzuki SV650S |
|---|---|---|
| First-time pass rate | 76.5% | 80.6% |
| Outright fail rate | 16.0% | 11.9% |
| Median miles at test | 24,197 | 16,958 |
| MOT tests analysed | 60,557 | 84,632 |
| 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.
See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.