Suzuki UG110 vs Yamaha YBR 125

The Suzuki UG110 passes its MOT first time more often than the Yamaha YBR 125: 76.5% vs 71.0%, a 5.5-point lead.

MOT reliability, side by side

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

Metric	Suzuki UG110	Yamaha YBR 125
First-time pass rate	76.5%	71.0%
Outright fail rate	18.3%	17.1%
Median miles at test	8,034	10,652
MOT tests analysed	890	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.

SUZUKI UG110 76.5% pass · 890 tests YAMAHA YBR 125 71.0% pass · 125k tests

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