Lambretta 125LI vs Yamaha Nmax 125

The Lambretta 125LI passes its MOT first time more often than the Yamaha Nmax 125: 87.0% vs 82.2%, a 4.8-point lead.

MOT reliability, side by side

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

Metric	Lambretta 125LI	Yamaha Nmax 125
First-time pass rate	87.0%	82.2%
Outright fail rate	6.4%	11.4%
Engine size	125cc	125cc
Rank among all models	#1910 of 5428	#3145 of 5428
Median miles at test	2,230	30,236
MOT tests analysed	609	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.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better

Component	Lambretta 125LI	Yamaha Nmax 125
Lights & signalling	3.6%	4.2%
Brakes	2.3%	5.3%
Steering & suspension	1.1%	5.0%
Tyres & wheels	1.0%	3.7%
Structure & body	0.7%	0.6%

A test that fails on two components counts once in each. Component links go to the bikes most likely to fail on it.

Pass rate by mileage

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

Mileage	Lambretta 125LI	Yamaha Nmax 125
0k-10k miles	87.3%	90.9%
10k-20k miles	94.0%	84.2%
20k-30k miles	81.8%	81.9%
30k-40k miles	87.5%	79.2%

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

Lambretta 125LI vs Yamaha Nmax 125 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Lambretta 125LI or the Yamaha Nmax 125?

The Lambretta 125LI passes its MOT first time more often than the Yamaha Nmax 125: 87.0% vs 82.2%, a 4.8-point lead. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Lambretta 125LI fail its MOT on most?

Lights & signalling: 3.6% of Lambretta 125LI MOT tests failed on it, then brakes (2.3%).

What does the Yamaha Nmax 125 fail its MOT on most?

Brakes: 5.3% of Yamaha Nmax 125 MOT tests failed on it, then steering & suspension (5.0%).

Which holds up better at high mileage, the Lambretta 125LI or the Yamaha Nmax 125?

At 30k-40k miles the Lambretta 125LI passes first time more often: 87.5% for the Lambretta 125LI vs 79.2% for the Yamaha Nmax 125.

LAMBRETTA 125LI 87.0% pass · 609 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.