Vespa Vespa 150 [1977-1981] - racing clutch with Z22 sprocket straight teeth

POLINI racing clutch Z22 for Vespa 150

The POLINI racing clutch with Z22 gear rim and straight-toothed pinion is designed for the Vespa Vespa 150 from the 1977-1981 model year range. Its design combines reverse functionality with a design specifically tailored to racing clutch use.

Function and construction

In this clutch, the component connected to the crankshaft is designed as an inner hub. The pressure plate works on a thrust bearing. An aluminum bell and a lid with an oil collection groove complete the construction.

• Z22 gear ring with straight-toothed pinion
• Pressure plate on thrust bearing
• Aluminum bell
• Lid with oil collection groove
• Reinforced aluminum discs with 8 teeth
• Adjustable clutch spring force

Translation and coordination

The POLINI HT clutch allows the ratio to be adjusted via the choice of primary gear. The primary gear can be replaced for this. The straight toothing with Z22 is the version of this product.

The precise and smooth shifting supports controlled gear changes. The reinforced aluminum discs with 8 teeth are designed for effective power transmission.

Vehicle assignment

Suitable for Vespa Vespa 150, built between 1977 and 1981.

Factual note

For tuning, various primary gears with straight or helical teeth are available within the POLINI HT clutch series. This product is described with a Z22 ring gear and a straight-toothed pinion.