TRIUMPH DAYTONA 675 vs YAMAHA YZF-R6

The TRIUMPH DAYTONA 675 passes its MOT first time more often than the YAMAHA YZF-R6 — 85.8% vs 79.0%, a 6.8-point lead.

MOT reliability, side by side

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

Metric	TRIUMPH DAYTONA 675	YAMAHA YZF-R6
First-time pass rate	85.8%	79.0%
Outright fail rate	7.1%	12.4%
Median miles at test	10,672	17,024
MOT tests analysed	5,536	155,295
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 DAYTONA 675 85.8% pass · 5,536 tests YAMAHA YZF-R6 79.0% pass · 155k tests

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