KTM 790 Duke 18 vs Triumph Street Triple

The KTM 790 Duke 18 passes its MOT first time more often than the Triumph Street Triple — 87.8% vs 87.7%, a 0.1-point lead.

MOT reliability, side by side

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

Metric	KTM 790 Duke 18	Triumph Street Triple
First-time pass rate	87.8%	87.7%
Outright fail rate	5.9%	5.9%
Median miles at test	7,267	11,189
MOT tests analysed	2,425	37,699
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.

KTM 790 DUKE 18 87.8% pass · 2,425 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.