Head-to-head · 2005–2025
Data as of: DVSA MOT results to 2025
Harley-Davidson Flhrse 3 Road King Se vs Triumph Rocket Iii
The Harley-Davidson Flhrse 3 Road King Se passes its MOT first time more often than the Triumph Rocket Iii: 89.7% vs 88.3%, a 1.4-point lead.
MOT reliability, side by side
first-time pass rate, outright fail rate and tests analysed · 2005–2025
| Metric | Harley-Davidson Flhrse 3 Road King Se | Triumph Rocket Iii |
|---|---|---|
| First-time pass rate | 89.7% | 88.3% |
| Outright fail rate | 6.0% | 6.1% |
| Median miles at test | 17,053 | 13,110 |
| MOT tests analysed | 516 | 15,488 |
| 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.
HARLEY-DAVIDSON
FLHRSE 3 ROAD KING SE
89.7% pass · 516 tests
TRIUMPH
ROCKET III
88.3% pass · 15.5k tests
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.