Norton ES2 vs Suzuki SV650S

The Norton ES2 passes its MOT first time more often than the Suzuki SV650S — 91.3% vs 80.6%, a 10.7-point lead.

MOT reliability, side by side

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

Metric	Norton ES2	Suzuki SV650S
First-time pass rate	91.3%	80.6%
Outright fail rate	2.8%	11.9%
Median miles at test	12,022	16,958
MOT tests analysed	2,223	84,632
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.

NORTON ES2 91.3% pass · 2,223 tests SUZUKI SV650S 80.6% pass · 84.6k tests

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