Vespa Cosa 125 [1988-1997] - racing clutch with Z23 sprocket straight teeth

POLINI racing clutch with Z23 pinion for Vespa Cosa 125

The POLINI HT clutch is designed for racing use and combines reverse functionality with a design designed for precise power transmission. The hub connected to the crankshaft is located on the inside, while the outer bell does not take on this function. The Z23 pinion has straight teeth and allows the selection of a suitable primary toothing to adjust the gear ratios.

Function and execution

• Pressure plate on thrust bearings for resilient and precise clutch actuation
• Aluminum bell as part of the clutch construction
• Covering the block with oil collecting channel
• Adjustable spring force of the clutch to coordinate the actuation
• Straight toothed Z23 pinion for the intended primary toothing

Technical features

The clutch is designed for efficient transmission of engine power. By selecting different primary gears, the POLINI HT clutch can be adapted to different gear ratios. The construction supports precise and smooth gear shifting.

Vehicle assignment

Suitable for the Vespa Cosa 125, built between 1988 and 1997.

Note on voting

The straight-toothed Z23 pinion is the selected toothing variant for this version. The adjustable spring force and the option to choose the primary toothing offer options for targeted coordination of the clutch.