Pulse XF 125 GY-2B Adrenaline vs Yamaha YBR 125

The Yamaha YBR 125 passes its MOT first time more often than the Pulse XF 125 GY-2B Adrenaline — 71.0% vs 53.7%, a 17.3-point lead.

MOT reliability, side by side

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

Metric	Pulse XF 125 GY-2B Adrenaline	Yamaha YBR 125
First-time pass rate	53.7%	71.0%
Outright fail rate	34.2%	17.1%
Median miles at test	9,462	10,652
MOT tests analysed	2,614	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.

PULSE XF 125 GY-2B ADRENALINE 53.7% pass · 2,614 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.