Yiben Meiduc YB 50 QT-9 vs Piaggio Zip

The Piaggio Zip passes its MOT first time more often than the Yiben Meiduc YB 50 QT-9 — 71.3% vs 52.2%, a 19.1-point lead.

MOT reliability, side by side

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

Metric	Yiben Meiduc YB 50 QT-9	Piaggio Zip
First-time pass rate	52.2%	71.3%
Outright fail rate	39.2%	20.4%
Median miles at test	7,742	8,882
MOT tests analysed	232	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.

YIBEN MEIDUC YB 50 QT-9 52.2% pass · 232 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.