Skyteam ST 125 SM vs Gilera Runner

The Gilera Runner passes its MOT first time more often than the Skyteam ST 125 SM: 70.8% vs 49.0%, a 21.8-point lead.

MOT reliability, side by side

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

Metric	Skyteam ST 125 SM	Gilera Runner
First-time pass rate	49.0%	70.8%
Outright fail rate	37.8%	21.5%
Vs comparable bikes (age & mileage adjusted)	-26.9 pts	-0.7 pts
Engine size	124cc	124cc
Median miles at test	4,640	11,381
MOT tests analysed	143	69,850
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.

"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.

SKYTEAM ST 125 SM 49.0% pass · 143 tests GILERA RUNNER 70.8% pass · 69.9k tests

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