Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Yamaha XJ600S vs Suzuki SV650S
The Suzuki SV650S passes its MOT first time more often than the Yamaha XJ600S: 80.6% vs 73.4%, a 7.2-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Yamaha XJ600S | Suzuki SV650S |
|---|---|---|
| First-time pass rate | 73.4% | 80.6% |
| Outright fail rate | 18.7% | 11.9% |
| Median miles at test | 26,800 | 16,958 |
| MOT tests analysed | 865 | 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.