Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Honda CB550F vs Triumph Street Triple R
The Triumph Street Triple R passes its MOT first time more often than the Honda CB550F: 87.7% vs 79.7%, a 8.0-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Honda CB550F | Triumph Street Triple R |
|---|---|---|
| First-time pass rate | 79.7% | 87.7% |
| Outright fail rate | 9.6% | 6.0% |
| Median miles at test | 29,412 | 10,588 |
| MOT tests analysed | 636 | 20,614 |
| Most common failure | lighting and signalling | lamps and reflectors |
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.