Vespa Vespa 150 [1977-1981] - racing clutch with Z23 sprocket straight teeth

POLINI racing clutch with Z23 pinion for Vespa 150

The POLINI HT clutch is designed for racing use on Vespas and combines a ring gear with a Z23 pinion and straight teeth with a reversed design. The component connected to the crankshaft is the inner hub and not the outer bell.

Function and construction

• Pressure plate on thrust bearing for clutch actuation
• Aluminum bell as part of the clutch construction
• Cover of the block with oil collecting channel
• Adjustable clutch spring force
• Z23 pinion with straight teeth

The clutch enables the selection of the primary toothing in order to adapt the gear ratio to the respective design. By replacing the primary gear, the clutch can be modified with other available gears from the POLINI spare parts program. The construction supports precise and smooth gear shifting.

Vehicle assignment

Suitable for Vespa Vespa 150 built between 1977 and 1981.

Factual note

The product is designed as a racing clutch. To select the appropriate gear ratio, straight and helical primary gears with different numbers of teeth are available for this clutch. This version is described with a Z23 pinion and straight teeth.