DUCATI MONSTER vs TRIUMPH STREET TRIPLE

The TRIUMPH STREET TRIPLE passes its MOT first time more often than the DUCATI MONSTER — 87.7% vs 83.9%, a 3.8-point lead.

MOT reliability, side by side

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

Metric	DUCATI MONSTER	TRIUMPH STREET TRIPLE
First-time pass rate	83.9%	87.7%
Outright fail rate	8.6%	5.9%
Median miles at test	11,140	11,189
MOT tests analysed	8,991	37,699
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.

DUCATI MONSTER 83.9% pass · 8,991 tests TRIUMPH STREET TRIPLE 87.7% pass · 37.7k tests

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