Triumph S vs Kawasaki ZX-6R

The Triumph S passes its MOT first time more often than the Kawasaki ZX-6R — 88.6% vs 78.1%, a 10.5-point lead.

MOT reliability, side by side

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

Metric	Triumph S	Kawasaki ZX-6R
First-time pass rate	88.6%	78.1%
Outright fail rate	5.1%	14.0%
Median miles at test	9,159	19,446
MOT tests analysed	26,757	173,956
Most common failure	lamps and reflectors	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.

TRIUMPH S 88.6% pass · 26.8k tests KAWASAKI ZX-6R 78.1% pass · 174k tests

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