Royal Enfield Bullt vs Suzuki GSF600

The Royal Enfield Bullt passes its MOT first time more often than the Suzuki GSF600 — 89.8% vs 77.3%, a 12.5-point lead.

MOT reliability, side by side

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

Metric	Royal Enfield Bullt	Suzuki GSF600
First-time pass rate	89.8%	77.3%
Outright fail rate	4.5%	14.2%
Median miles at test	4,308	21,080
MOT tests analysed	5,661	143,023
Most common failure	lamps and reflectors	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.

ROYAL ENFIELD BULLT 89.8% pass · 5,661 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.