Yamaha CY50 vs Peugeot Speedfight

The Yamaha CY50 passes its MOT first time more often than the Peugeot Speedfight: 76.5% vs 65.2%, a 11.3-point lead.

MOT reliability, side by side

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

Metric	Yamaha CY50	Peugeot Speedfight
First-time pass rate	76.5%	65.2%
Outright fail rate	16.5%	26.3%
Median miles at test	5,569	13,547
MOT tests analysed	744	83,728
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.

YAMAHA CY50 76.5% pass · 744 tests PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests

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