TRIUMPH TIGER 800 vs YAMAHA XT 660 Z TENERE

The TRIUMPH TIGER 800 passes its MOT first time more often than the YAMAHA XT 660 Z TENERE — 91.6% vs 87.4%, a 4.2-point lead.

MOT reliability, side by side

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

Metric	TRIUMPH TIGER 800	YAMAHA XT 660 Z TENERE
First-time pass rate	91.6%	87.4%
Outright fail rate	4.8%	6.0%
Median miles at test	16,027	16,356
MOT tests analysed	6,797	5,654
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 TIGER 800 91.6% pass · 6,797 tests YAMAHA XT 660 Z TENERE 87.4% pass · 5,654 tests

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