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Jasil 2-piece primary gear up kit for scooters using a Piaggio 125cc 2-stroke engine. (Rolling nut engine ONLY)
This 14/29H ratio will help to increase your top speed and stop your tuned scooter from over revving.
Perfect if you have a 172cc kit fitted.
*Made in Portugal.
Jasil 6010267
As soon as we get new stock for Primary Gear Up - Runner 125 FX/SP 2T, we'll send you an email.
