BIKERELIABILITY Reg check
Head-to-head · 2005–2025

Sukida SK 125 T-21 Viper vs Honda CBF125

The Honda CBF125 passes its MOT first time more often than the Sukida SK 125 T-21 Viper — 73.3% vs 63.4%, a 9.9-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Sukida SK 125 T-21 Viper Honda CBF125
First-time pass rate 63.4% 73.3%
Outright fail rate 34.1% 16.5%
Median miles at test 8,746 10,974
MOT tests analysed 123 84,425
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.

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