KTM 890 Duke R 21 vs Triumph Speed Triple

The KTM 890 Duke R 21 passes its MOT first time more often than the Triumph Speed Triple — 92.9% vs 85.6%, a 7.3-point lead.

MOT reliability, side by side

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

Metric	KTM 890 Duke R 21	Triumph Speed Triple
First-time pass rate	92.9%	85.6%
Outright fail rate	2.3%	7.3%
Median miles at test	4,942	12,419
MOT tests analysed	308	74,618
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 890 DUKE R 21 92.9% pass · 308 tests TRIUMPH SPEED TRIPLE 85.6% pass · 74.6k tests

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