BIKERELIABILITY Reg check
League table/ Honda NES125/vs Yamaha YBR 125
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Honda NES125 vs Yamaha YBR 125

The Honda NES125 passes its MOT first time more often than the Yamaha YBR 125: 84.3% vs 71.0%, a 13.3-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Honda NES125 Yamaha YBR 125
First-time pass rate 84.3% 71.0%
Outright fail rate 10.8% 17.1%
Vs comparable bikes (age & mileage adjusted) +13.0 pts -1.1 pts
Engine size 124cc 124cc
Rank among all models #2659 of 5428 #4664 of 5428
Median miles at test 12,428 10,652
MOT tests analysed 536 124,897
Most common failure brakes 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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

What fails, side by side

share of each bike's MOT tests that failed on the component · lower is better
Component Honda NES125 Yamaha YBR 125
Brakes 5.6% 5.9%
Steering & suspension 4.9% 6.5%
Lights & signalling 2.6% 8.5%
Tyres & wheels 3.0% 4.4%
Structure & body 0.2% 3.8%
Drive system 0% 2.9%
Fuel & exhaust 0% 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 test year

first-time MOT pass rate in each calendar year both bikes were tested
Test year Honda NES125 Yamaha YBR 125
2008 85.5% 71.1%
2009 76.7% 70.7%
2010 93.8% 71.4%
2011 82.5% 69.1%
2012 74.4% 69.1%
2013 93.9% 69.5%
2014 68.8% 70.0%
2016 83.3% 71.3%

Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.

Pass rate by mileage

first-time MOT pass rate by miles on the clock at test
Mileage Honda NES125 Yamaha YBR 125
0k-10k miles 91.9% 76.8%
10k-20k miles 82.4% 67.4%
20k-30k miles 75.7% 63.8%

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

Honda NES125 vs Yamaha YBR 125 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the Honda NES125 or the Yamaha YBR 125?

The Honda NES125 passes its MOT first time more often than the Yamaha YBR 125: 84.3% vs 71.0%, a 13.3-point lead. Adjusted for age, mileage and test class, the Honda NES125 still comes out ahead: +13.0 points vs comparable bikes for the Honda NES125, -1.1 for the Yamaha YBR 125. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the Honda NES125 fail its MOT on most?

Brakes: 5.6% of Honda NES125 MOT tests failed on it, then steering & suspension (4.9%).

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

Lights & signalling: 8.5% of Yamaha YBR 125 MOT tests failed on it, then steering & suspension (6.5%).

Which holds up better at high mileage, the Honda NES125 or the Yamaha YBR 125?

At 20k-30k miles the Honda NES125 passes first time more often: 75.7% for the Honda NES125 vs 63.8% for the Yamaha YBR 125.

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