Lambretta 150LIS vs Yamaha Nmax 125

The Lambretta 150LIS passes its MOT first time more often than the Yamaha Nmax 125: 87.4% vs 82.2%, a 5.2-point lead.

MOT reliability, side by side

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

Metric	Lambretta 150LIS	Yamaha Nmax 125
First-time pass rate	87.4%	82.2%
Outright fail rate	8.6%	11.4%
Engine size	150cc	125cc
Median miles at test	4,261	30,236
MOT tests analysed	198	33,779
Most common failure	lighting and signalling	brakes

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 150LIS	Yamaha Nmax 125
0k-10k miles	85.1%	90.9%
10k-20k miles	88.2%	84.2%

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

LAMBRETTA 150LIS 87.4% pass · 198 tests YAMAHA NMAX 125 82.2% pass · 33.8k tests

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