Lambretta LIS150 vs Piaggio Vespa

The Lambretta LIS150 passes its MOT first time more often than the Piaggio Vespa: 89.9% vs 80.7%, a 9.2-point lead.

MOT reliability, side by side

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

Metric	Lambretta LIS150	Piaggio Vespa
First-time pass rate	89.9%	80.7%
Outright fail rate	8.4%	12.2%
Engine size	150cc	124cc
Median miles at test	6,053	10,023
MOT tests analysed	179	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.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test

Mileage	Lambretta LIS150	Piaggio Vespa
0k-10k miles	90.1%	85.0%
10k-20k miles	88.4%	77.0%

Bands with fewer than 30 tests for either bike are left out.

LAMBRETTA LIS150 89.9% pass · 179 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.