Aprilia RS 50 MY06 vs Piaggio NRG

The Piaggio NRG passes its MOT first time more often than the Aprilia RS 50 MY06 — 65.5% vs 58.9%, a 6.6-point lead.

MOT reliability, side by side

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

Metric	Aprilia RS 50 MY06	Piaggio NRG
First-time pass rate	58.9%	65.5%
Outright fail rate	32.4%	27.4%
Median miles at test	9,042	9,874
MOT tests analysed	358	40,458
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.

APRILIA RS 50 MY06 58.9% pass · 358 tests PIAGGIO NRG 65.5% pass · 40.5k tests

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