BIKERELIABILITY Reg check
League table/ Pioneer 125/vs Honda CBF125
Head-to-head · 2005–2025

Data as of: DVSA MOT results to 2025

Pioneer 125 vs Honda CBF125

The Honda CBF125 passes its MOT first time more often than the Pioneer 125: 73.3% vs 61.7%, a 11.6-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Pioneer 125 Honda CBF125
First-time pass rate 61.7% 73.3%
Outright fail rate 26.9% 16.5%
Vs comparable bikes (age & mileage adjusted) -11.6 pts +1.1 pts
Engine size 124cc 125cc
Rank among all models #5157 of 5428 #4471 of 5428
Median miles at test 7,554 10,974
MOT tests analysed 324 84,425
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.

"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.

Pass rate by test year

first-time MOT pass rate in each calendar year both bikes were tested
Test year Pioneer 125 Honda CBF125
2011 48.6% 69.3%
2012 66.7% 73.0%
2013 57.5% 73.5%
2014 62.2% 72.0%
2015 48.8% 71.8%

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 Pioneer 125 Honda CBF125
0k-10k miles 66.4% 80.3%
10k-20k miles 55.7% 68.7%

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

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