KTM 390 Duke 17 vs Honda CB400

The KTM 390 Duke 17 passes its MOT first time more often than the Honda CB400 — 87.0% vs 80.9%, a 6.1-point lead.

MOT reliability, side by side

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

Metric	KTM 390 Duke 17	Honda CB400
First-time pass rate	87.0%	80.9%
Outright fail rate	6.5%	11.0%
Median miles at test	4,650	30,796
MOT tests analysed	2,885	9,072
Most common failure	lamps and reflectors	steering and suspension

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 390 DUKE 17 87.0% pass · 2,885 tests HONDA CB400 80.9% pass · 9,072 tests

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