Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Suzuki SP370 vs Yamaha RD350
The Yamaha RD350 passes its MOT first time more often than the Suzuki SP370: 86.3% vs 79.6%, a 6.7-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Suzuki SP370 | Yamaha RD350 |
|---|---|---|
| First-time pass rate | 79.6% | 86.3% |
| Outright fail rate | 10.0% | 6.6% |
| Median miles at test | 14,720 | 23,256 |
| MOT tests analysed | 599 | 19,574 |
| Most common failure | lighting and signalling | 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.