Vespa (douglas) PX125 vs Yamaha Nmax 125

The Yamaha Nmax 125 passes its MOT first time more often than the Vespa (douglas) PX125 — 82.2% vs 80.4%, a 1.8-point lead.

MOT reliability, side by side

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

Metric	Vespa (douglas) PX125	Yamaha Nmax 125
First-time pass rate	80.4%	82.2%
Outright fail rate	11.6%	11.4%
Median miles at test	14,021	30,236
MOT tests analysed	3,280	33,779
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.

VESPA (DOUGLAS) PX125 80.4% pass · 3,280 tests YAMAHA NMAX 125 82.2% pass · 33.8k tests

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