KTM 890 Duke R 21 vs Aprilia Tuono

The KTM 890 Duke R 21 passes its MOT first time more often than the Aprilia Tuono — 92.9% vs 88.4%, a 4.5-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	Aprilia Tuono
First-time pass rate	92.9%	88.4%
Outright fail rate	2.3%	5.5%
Median miles at test	4,942	11,489
MOT tests analysed	308	34,724
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 APRILIA TUONO 88.4% pass · 34.7k tests

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