Vespa PX 125 [1978-1997] - racing clutch with Z23 sprocket with helical teeth

POLINI racing clutch with Z23 pinion for Vespa PX 125

The POLINI HT racing clutch is designed for racing use and has a helical Z23 pinion. Their reverse operation moves the connection to the crankshaft from the outer bell to the inner hub. This means that the clutch is based on an independent design principle for the Vespa PX 125.

Structure and function

• Pressure plate on thrust bearing
• Aluminum bell
• Cover of the block with oil collecting channel
• Aluminum discs enlarged by 8 teeth
• Adjustable clutch spring force

The clutch allows the spring force to be adjusted and the appropriate primary toothing to be selected. The helical-toothed design with Z23 pinion supports the coordination of the gear ratios. With the HT clutch, the primary gear can be replaced to modify the clutch. The design is designed for precise and smooth gear changes.

Vehicle assignment

Suitable for the Vespa PX 125 from the entire model range 1978-1997.

Factual note

The POLINI HT clutch offers options for individually tuning the drive thanks to the adjustable spring force and the selectable primary toothing. This product corresponds to the version with Z23 pinion and helical teeth.