BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Indian Motorcycle Scout Bobber vs Triumph Bonneville

The Indian Motorcycle Scout Bobber passes its MOT first time more often than the Triumph Bonneville — 90.2% vs 89.0%, a 1.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Indian Motorcycle Scout Bobber Triumph Bonneville
First-time pass rate 90.2% 89.0%
Outright fail rate 4.0% 5.0%
Median miles at test 3,985 7,619
MOT tests analysed 1,836 195,256
Most common failure lamps and reflectors 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.

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