Sonik Starway YH 125 T-L vs Gilera Runner

The Gilera Runner passes its MOT first time more often than the Sonik Starway YH 125 T-L: 70.8% vs 55.9%, a 14.9-point lead.

MOT reliability, side by side

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

Metric	Sonik Starway YH 125 T-L	Gilera Runner
First-time pass rate	55.9%	70.8%
Outright fail rate	37.3%	21.5%
Vs comparable bikes (age & mileage adjusted)	-21.0 pts	-0.7 pts
Engine size	124cc	124cc
Median miles at test	2,930	11,381
MOT tests analysed	102	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.

SONIK STARWAY YH 125 T-L 55.9% pass · 102 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.