Honda CBR 125 R-5 vs Yamaha YZF-R125

The Yamaha YZF-R125 passes its MOT first time more often than the Honda CBR 125 R-5 — 68.0% vs 66.5%, a 1.5-point lead.

MOT reliability, side by side

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

Metric	Honda CBR 125 R-5	Yamaha YZF-R125
First-time pass rate	66.5%	68.0%
Outright fail rate	24.3%	21.6%
Median miles at test	13,007	13,002
MOT tests analysed	2,420	63,719
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.

HONDA CBR 125 R-5 66.5% pass · 2,420 tests YAMAHA YZF-R125 68.0% pass · 63.7k tests

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