Cagiva River-600 vs Yamaha FZS600

The Yamaha FZS600 passes its MOT first time more often than the Cagiva River-600 — 82.6% vs 72.2%, a 10.4-point lead.

MOT reliability, side by side

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

Metric	Cagiva River-600	Yamaha FZS600
First-time pass rate	72.2%	82.6%
Outright fail rate	15.1%	10.6%
Median miles at test	16,355	21,612
MOT tests analysed	212	136,558
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.

CAGIVA RIVER-600 72.2% pass · 212 tests YAMAHA FZS600 82.6% pass · 137k tests

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