APRILIA RS 50 vs PIAGGIO ZIP

The PIAGGIO ZIP passes its MOT first time more often than the APRILIA RS 50 — 71.3% vs 52.4%, a 18.9-point lead.

MOT reliability, side by side

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

Metric	APRILIA RS 50	PIAGGIO ZIP
First-time pass rate	52.4%	71.3%
Outright fail rate	38.7%	20.4%
Median miles at test	16,424	8,882
MOT tests analysed	13,697	78,993
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 52.4% pass · 13.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests

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