Yamaha TZR vs Yamaha YBR 125

The Yamaha YBR 125 passes its MOT first time more often than the Yamaha TZR: 71.0% vs 70.1%, a 0.9-point lead.

MOT reliability, side by side

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

Metric	Yamaha TZR	Yamaha YBR 125
First-time pass rate	70.1%	71.0%
Outright fail rate	20.1%	17.1%
Median miles at test	21,209	10,652
MOT tests analysed	1,067	124,897
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.

YAMAHA TZR 70.1% pass · 1,067 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.