
POLINI VARIATOR SHEAVE GUIDE FOR 50CC SCOOTER — Manufacturer part number: 242.029
POLINI is globally recognized for the quality of its transmission components. This variator sheave guide is a part designed for 50cc scooters; it ensures the guidance of the variator sheave and contributes to the proper functioning of the primary transmission. A common wear part in variator setups, this guide allows for stable positioning of the sheave during acceleration and deceleration phases, limiting lateral play that can lead to excessive friction.
This part is aimed at riders who are keen on maintaining a clean and responsive transmission on their moped. Before installation, check the reference and compatibility with your model. It is compatible with several common models listed by the manufacturer:
Replace this guide as soon as signs of wear appear (play, abnormal noises, friction) to preserve the integrity of the variator and the belt. Simple installation for experienced DIYers, intervention recommended based on condition and maintenance history.