PEUGEOT SPEEDFIGHT vs YAMAHA YN50

The YAMAHA YN50 passes its MOT first time more often than the PEUGEOT SPEEDFIGHT — 69.9% vs 65.2%, a 4.7-point lead.

MOT reliability, side by side

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

Metric	PEUGEOT SPEEDFIGHT	YAMAHA YN50
First-time pass rate	65.2%	69.9%
Outright fail rate	26.3%	20.5%
Median miles at test	13,547	6,720
MOT tests analysed	83,728	17,935
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.

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests YAMAHA YN50 69.9% pass · 17.9k tests

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