Vespa PX E Arcobaleno Electric Starter 150 [1981-1997] - racing clutch with Z22 sprocket straight teeth

POLINI racing clutch with Z22 sprocket for Vespa PX E Arcobaleno 150

The POLINI HT racing clutch is intended for the Vespa PX E Arcobaleno Electric Starter 150 in the 1981-1997 model year range. This version has a primary gear with Z=22 and straight teeth. This allows the translation to be specifically selected using the appropriate toothing of the primary gear.

Function and construction

With the innovative reverse functionality, the unit connected to the crankshaft is designed as an inner hub. The outer bell therefore takes on a different function than that of a conventional clutch. The clutch is designed for precise and smooth shifting.

• Pressure plate on thrust bearing
• Aluminum bell
• Block cover with oil collecting groove
• Aluminum discs reinforced with 8 teeth
• Adjustable clutch spring force
• Z=22 primary gear with straight teeth

Adjust translation

The Polini HT clutch allows the gear ratio to be adjusted by selecting the primary gear. The primary gear can be replaced for clutch modification. In addition to the version with Z=22 and straight teeth described here, further toothing is provided for this coupling system.

Vehicle assignment

Suitable for Vespa PX E Arcobaleno Electric Starter 150, years 1981-1997.