BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Moto Guzzi V50 Ii vs Yamaha FZ6

The Yamaha FZ6 passes its MOT first time more often than the Moto Guzzi V50 Ii — 85.2% vs 83.6%, a 1.6-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Moto Guzzi V50 Ii Yamaha FZ6
First-time pass rate 83.6% 85.2%
Outright fail rate 9.6% 7.8%
Median miles at test 29,956 15,484
MOT tests analysed 1,394 67,149
Most common failure brakes 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.

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