Indian Motorcycle Scout Bobber Twenty vs Triumph Bonneville

The Indian Motorcycle Scout Bobber Twenty passes its MOT first time more often than the Triumph Bonneville — 90.7% vs 89.0%, a 1.7-point lead.

MOT reliability, side by side

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

Metric	Indian Motorcycle Scout Bobber Twenty	Triumph Bonneville
First-time pass rate	90.7%	89.0%
Outright fail rate	3.9%	5.0%
Median miles at test	3,126	7,619
MOT tests analysed	204	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.

INDIAN MOTORCYCLE SCOUT BOBBER TWENTY 90.7% pass · 204 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.