Vespa PX E Lusso 150 [1981-1997] - racing clutch with Z23 sprocket with helical teeth

POLINI racing clutch with Z23 pinion for Vespa PX E Lusso 150

The POLINI HT clutch is designed for racing use in the Vespa PX and combines reverse operation with adjustable clutch tuning. In this design, the inner hub is connected to the crankshaft; the outer bell does not perform this function. The Z23 primary pinion has helical teeth.

Function and design features

• Pressure plate on thrust bearings for a resilient and functional clutch design
• Aluminum bell as part of the clutch construction
• Cover of the block with oil collecting channel
• Adjustable spring force to adjust clutch tuning
• Selection of primary gearing to adapt the gear ratios

The HT clutch enables precise and smooth gear shifting. By replacing the primary gear, the clutch can be adapted with other available gearings from the POLINI spare parts program. The existing Z23 pinion has helical teeth and corresponds to the version for the original primary gear.

Vehicle assignment

Suitable for the Vespa PX E Lusso 150 from the entire model range 1981-1997.

Factual information

• The clutch is intended for racing use.
• The translation is adjusted by selecting the primary gear or primary pinion.
• Different gearings within the POLINI system are available for coordination.