TRIUMPH AMERICA vs YAMAHA FZS600

The TRIUMPH AMERICA passes its MOT first time more often than the YAMAHA FZS600 — 87.8% vs 82.6%, a 5.2-point lead.

MOT reliability, side by side

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

Metric	TRIUMPH AMERICA	YAMAHA FZS600
First-time pass rate	87.8%	82.6%
Outright fail rate	6.1%	10.6%
Median miles at test	8,832	21,612
MOT tests analysed	5,014	136,558
Most common failure	brakes	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.

TRIUMPH AMERICA 87.8% pass · 5,014 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.