BIKERELIABILITY Reg check
League table/ SYM HD Orbit/vs Yamaha Nmax 125
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

SYM HD Orbit vs Yamaha Nmax 125

The SYM HD Orbit and Yamaha Nmax 125 have an identical 82.2% first-time MOT pass rate.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric SYM HD Orbit Yamaha Nmax 125
First-time pass rate 82.2% 82.2%
Outright fail rate 11.1% 11.4%
Vs comparable bikes (age & mileage adjusted) +10.8 pts +9.5 pts
Engine size 125cc 125cc
Rank among all models #3145 of 5428 #3145 of 5428
Median miles at test 13,396 30,236
MOT tests analysed 667 33,779
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 SYM HD Orbit Yamaha Nmax 125
Brakes 4.2% 5.3%
Lights & signalling 4.2% 4.2%
Steering & suspension 2.1% 5.0%
Tyres & wheels 3.4% 3.7%
Structure & body 0.9% 0.6%
Fuel & exhaust 0.7% 0%

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 SYM HD Orbit Yamaha Nmax 125
0k-10k miles 84.2% 90.9%
10k-20k miles 83.1% 84.2%
20k-30k miles 78.9% 81.9%
30k-40k miles 78.6% 79.2%
40k-50k miles 73.3% 79.8%

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

SYM HD Orbit vs Yamaha Nmax 125 FAQ

answers computed from the data above · terms in the glossary

Which is more reliable, the SYM HD Orbit or the Yamaha Nmax 125?

The SYM HD Orbit and Yamaha Nmax 125 have an identical 82.2% first-time MOT pass rate. Adjusted for age, mileage and test class, the SYM HD Orbit still comes out ahead: +10.8 points vs comparable bikes for the SYM HD Orbit, +9.5 for the Yamaha Nmax 125. An MOT checks roadworthiness items, not engine or gearbox internals.

What does the SYM HD Orbit fail its MOT on most?

Brakes: 4.2% of SYM HD Orbit MOT tests failed on it, then lights & signalling (4.2%).

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 SYM HD Orbit or the Yamaha Nmax 125?

At 40k-50k miles the Yamaha Nmax 125 passes first time more often: 73.3% for the SYM HD Orbit vs 79.8% for the Yamaha Nmax 125.

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