Direct Bikes DB50QT-16 vs Piaggio Zip

The Piaggio Zip passes its MOT first time more often than the Direct Bikes DB50QT-16: 71.3% vs 55.3%, a 16.0-point lead.

MOT reliability, side by side

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

Metric	Direct Bikes DB50QT-16	Piaggio Zip
First-time pass rate	55.3%	71.3%
Outright fail rate	36.0%	20.4%
Vs comparable bikes (age & mileage adjusted)	-19.8 pts	-1.0 pts
Engine size	49cc	49cc
Median miles at test	4,814	8,882
MOT tests analysed	114	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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

DIRECT BIKES DB50QT-16 55.3% pass · 114 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.