BIKERELIABILITY Reg check
League table/ WK Bikes Go 50 JJ 50 QT-3/vs Peugeot Speedfight
Head-to-head · 2005–2025

WK Bikes Go 50 JJ 50 QT-3 vs Peugeot Speedfight

The WK Bikes Go 50 JJ 50 QT-3 passes its MOT first time more often than the Peugeot Speedfight — 68.3% vs 65.2%, a 3.1-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric WK Bikes Go 50 JJ 50 QT-3 Peugeot Speedfight
First-time pass rate 68.3% 65.2%
Outright fail rate 20.1% 26.3%
Median miles at test 4,168 13,547
MOT tests analysed 139 83,728
Most common failure lighting and signalling lighting and signalling

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.

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