KTM Duke 620 vs Honda CB500

The Honda CB500 passes its MOT first time more often than the KTM Duke 620: 83.3% vs 76.6%, a 6.7-point lead.

MOT reliability, side by side

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

Metric	KTM Duke 620	Honda CB500
First-time pass rate	76.6%	83.3%
Outright fail rate	12.0%	10.1%
Median miles at test	11,399	20,653
MOT tests analysed	859	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 DUKE 620 76.6% pass · 859 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.