Triumph T100S vs Suzuki GSF600

The Triumph T100S passes its MOT first time more often than the Suzuki GSF600: 91.9% vs 77.3%, a 14.6-point lead.

MOT reliability, side by side

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

Metric	Triumph T100S	Suzuki GSF600
First-time pass rate	91.9%	77.3%
Outright fail rate	3.0%	14.2%
Median miles at test	7,893	21,080
MOT tests analysed	594	143,023
Most common failure	lighting and signalling	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 T100S 91.9% pass · 594 tests SUZUKI GSF600 77.3% pass · 143k tests

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