Honda SJ50 vs Piaggio Zip

The Honda SJ50 passes its MOT first time more often than the Piaggio Zip: 76.4% vs 71.3%, a 5.1-point lead.

MOT reliability, side by side

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

Metric	Honda SJ50	Piaggio Zip
First-time pass rate	76.4%	71.3%
Outright fail rate	18.1%	20.4%
Median miles at test	11,305	8,882
MOT tests analysed	2,109	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.

HONDA SJ50 76.4% pass · 2,109 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.