KTM 450 EXC vs YAMAHA XV535

The YAMAHA XV535 passes its MOT first time more often than the KTM 450 EXC — 82.7% vs 76.4%, a 6.3-point lead.

MOT reliability, side by side

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

Metric	KTM 450 EXC	YAMAHA XV535
First-time pass rate	76.4%	82.7%
Outright fail rate	12.7%	9.8%
Median miles at test	3,298	15,604
MOT tests analysed	7,579	48,056
Most common failure	lighting and signalling	lighting and signalling

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 450 EXC 76.4% pass · 7,579 tests YAMAHA XV535 82.7% pass · 48.1k tests

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