Bsa Rocket 3 vs Triumph Bonneville

The Bsa Rocket 3 passes its MOT first time more often than the Triumph Bonneville — 93.4% vs 89.0%, a 4.4-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025

Metric	Bsa Rocket 3	Triumph Bonneville
First-time pass rate	93.4%	89.0%
Outright fail rate	2.8%	5.0%
Median miles at test	12,550	7,619
MOT tests analysed	973	195,256
Most common failure	lighting and signalling	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.

BSA ROCKET 3 93.4% pass · 973 tests TRIUMPH BONNEVILLE 89.0% pass · 195k tests

See each bike's full report — trend, mileage curve, failure breakdown and rivals — on its own page.