PIAGGIO ZIP vs SYM DD50

The SYM DD50 passes its MOT first time more often than the PIAGGIO ZIP — 73.3% vs 71.3%, a 2.0-point lead.

MOT reliability, side by side

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

Metric	PIAGGIO ZIP	SYM DD50
First-time pass rate	71.3%	73.3%
Outright fail rate	20.4%	18.8%
Median miles at test	8,882	9,008
MOT tests analysed	78,993	5,940
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.

PIAGGIO ZIP 71.3% pass · 79.0k tests SYM DD50 73.3% pass · 5,940 tests

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