Yamaha YZ vs Honda CBF125

The Yamaha YZ passes its MOT first time more often than the Honda CBF125: 81.4% vs 73.3%, a 8.1-point lead.

MOT reliability, side by side

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

Metric	Yamaha YZ	Honda CBF125
First-time pass rate	81.4%	73.3%
Outright fail rate	12.1%	16.5%
Median miles at test	659	10,974
MOT tests analysed	1,650	84,425
Most common failure	suspension	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.

YAMAHA YZ 81.4% pass · 1,650 tests HONDA CBF125 73.3% pass · 84.4k tests

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