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PIAGGIO LIBERTY 125 S 2026 Test Engine setup guide
The Marelli engine ECU does not feature user-selectable maps or adjustable injection parameters. The only technical personalization possible to modify the delivery curve and transmission response lies in mechanical interventions on aftermarket CVT transmission components:
Setup for increased urban launch: Replacing the stock variator rollers with units that are 0.5 grams lighter each, and installing a slightly stiffer rear contrast spring. This modification raises the clutch engagement RPM, improving the vehicle's reactivity from a standstill at the expense of higher noise and fuel consumption at constant speeds.