TRIUMPH STREET TRIPLE vs YAMAHA XSR

The YAMAHA XSR passes its MOT first time more often than the TRIUMPH STREET TRIPLE — 89.5% vs 87.7%, a 1.8-point lead.

MOT reliability, side by side

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

Metric	TRIUMPH STREET TRIPLE	YAMAHA XSR
First-time pass rate	87.7%	89.5%
Outright fail rate	5.9%	4.8%
Median miles at test	11,189	6,898
MOT tests analysed	37,699	12,653
Most common failure	brakes	lamps and reflectors

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 STREET TRIPLE 87.7% pass · 37.7k tests YAMAHA XSR 89.5% pass · 12.7k tests

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