Lambretta J125 vs Piaggio Vespa

The Lambretta J125 passes its MOT first time more often than the Piaggio Vespa: 82.2% vs 80.7%, a 1.5-point lead.

MOT reliability, side by side

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

Metric	Lambretta J125	Piaggio Vespa
First-time pass rate	82.2%	80.7%
Outright fail rate	12.3%	12.2%
Engine size	125cc	124cc
Median miles at test	6,659	10,023
MOT tests analysed	163	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 J125	Piaggio Vespa
0k-10k miles	84.2%	85.0%
10k-20k miles	73.3%	77.0%

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

LAMBRETTA J125 82.2% pass · 163 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.