Lambretta SX125 vs Piaggio Vespa

The Lambretta SX125 passes its MOT first time more often than the Piaggio Vespa — 89.1% vs 80.7%, a 8.4-point lead.

MOT reliability, side by side

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

Metric	Lambretta SX125	Piaggio Vespa
First-time pass rate	89.1%	80.7%
Outright fail rate	6.4%	12.2%
Median miles at test	1,988	10,023
MOT tests analysed	470	287,482
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.

LAMBRETTA SX125 89.1% pass · 470 tests PIAGGIO VESPA 80.7% pass · 287k tests

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