Vespa Cosa 150 [1988-1997] - racing clutch with Z22 sprocket with helical teeth

POLINI racing clutch with Z22 pinion for Vespa Cosa 150

The POLINI racing clutch combines reverse functionality with a helical Z22 pinion. The unit connected to the crankshaft is designed as an inner hub, while the outer bell does not take on this function. This design principle forms the basis for the HT coupling from POLINI.

Function and execution

• Pressure plate on thrust bearing for precise actuation
• Aluminum bell
• Block cover with oil collecting groove
• Aluminum discs reinforced with 8 teeth
• Adjustable clutch spring force

The clutch allows the ratio to be adjusted via the selection of the primary gear. The primary gear can be replaced for clutch modification. The helical Z22 pinion is intended for the appropriate gear ratio selection. The gearshift works precisely and smoothly, thereby supporting effortless gear changes.

Technical features

• Pinion: Z22, helical toothed
• Aluminum bell and aluminum discs
• Pressure plate on thrust bearing
• Oil collection groove on the block cover

Vehicle assignment

Suitable for the Vespa Cosa 150 from the entire model year range 1988-1997.

Factual note

The spring force can be adjusted. To change the translation, the primary gear is selected or replaced according to the desired toothing.