Vespa PX E 125 [1981-1997] - racing clutch with Z23 sprocket straight teeth

POLINI racing clutch with Z23 pinion for Vespa PX E 125

The POLINI HT racing clutch is designed for racing use with the Vespa PX E 125. Their reverse operation connects the crankshaft to the inner hub, while the outer bell takes over this function. The Z23 pinion has straight teeth and allows the selection of a suitable primary toothing to adjust the gear ratio.

Function and construction

• Pressure plate on thrust bearing for precise actuation
• Aluminum bell for the HT clutch
• Cover of the block with oil collecting channel
• Adjustable clutch spring force
• Aluminum discs enlarged by 8 teeth for higher transmitted power

The clutch supports precise and smooth gear shifting. Thanks to the interchangeable primary toothing, the HT clutch can be adapted to different gear ratios. The Z23 pinion described here has straight teeth.

Vehicle assignment

Suitable for the Vespa PX E 125, built between 1981 and 1997.

Factual note

Various primary gears and primary pinions are available for this clutch system to adjust the gear ratio. The gearing is selected to match the desired gear ratio and the structure used.