KTM 640 Duke vs Honda CB500

The Honda CB500 passes its MOT first time more often than the KTM 640 Duke: 83.3% vs 76.1%, a 7.2-point lead.

MOT reliability, side by side

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

Metric	KTM 640 Duke	Honda CB500
First-time pass rate	76.1%	83.3%
Outright fail rate	11.8%	10.1%
Median miles at test	10,076	20,653
MOT tests analysed	862	104,748
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.

KTM 640 DUKE 76.1% pass · 862 tests HONDA CB500 83.3% pass · 105k tests

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