KTM 690 LC4 Supermoto vs Yamaha FZS600

The Yamaha FZS600 passes its MOT first time more often than the KTM 690 LC4 Supermoto — 82.6% vs 82.4%, a 0.2-point lead.

MOT reliability, side by side

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

Metric	KTM 690 LC4 Supermoto	Yamaha FZS600
First-time pass rate	82.4%	82.6%
Outright fail rate	8.2%	10.6%
Median miles at test	8,559	21,612
MOT tests analysed	1,672	136,558
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 690 LC4 SUPERMOTO 82.4% pass · 1,672 tests YAMAHA FZS600 82.6% pass · 137k tests

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