SUZUKI SV650S vs TRIUMPH SPEED FOUR

The TRIUMPH SPEED FOUR passes its MOT first time more often than the SUZUKI SV650S — 81.4% vs 80.6%, a 0.8-point lead.

MOT reliability, side by side

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

Metric	SUZUKI SV650S	TRIUMPH SPEED FOUR
First-time pass rate	80.6%	81.4%
Outright fail rate	11.9%	11.3%
Median miles at test	16,958	14,114
MOT tests analysed	84,632	8,421
Most common failure	lighting and signalling	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.

SUZUKI SV650S 80.6% pass · 84.6k tests TRIUMPH SPEED FOUR 81.4% pass · 8,421 tests

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