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

Keeway RKS 125 Sport E4 vs Gilera Runner

The Gilera Runner passes its MOT first time more often than the Keeway RKS 125 Sport E4 — 70.8% vs 68.6%, a 2.2-point lead.

MOT reliability, side by side

first-time pass rate, outright fail rate and tests analysed · 2005–2025
Metric Keeway RKS 125 Sport E4 Gilera Runner
First-time pass rate 68.6% 70.8%
Outright fail rate 21.2% 21.5%
Median miles at test 5,853 11,381
MOT tests analysed 490 69,850
Most common failure lamps and reflectors 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.