Vespa Vespa 125 [1977-1982] - racing clutch with Z23 sprocket straight teeth

POLINI racing clutch with Z23 pinion and straight teeth

The POLINI HT clutch is designed for racing use on Vespas. Their reverse operation connects the crankshaft not to the outer bell, but to the inner hub. As a result, the design is based on an independent functional principle for the clutch unit.

Function and execution

The straight-toothed Z23 pinion enables the selection of a suitable primary toothing within the POLINI system. The spring force of the clutch can be adjusted so that the clutch can be adapted to different requirements. Changing the gear ratios is possible by replacing the primary gear.

• Pressure plate on thrust bearing
• Aluminum bell
• Cover of the block with oil collecting channel
• Straight toothed sprocket with 23 teeth

Technical features

The construction is designed for efficient power transmission. The clutch supports precise and smooth gear changes. Various primary gears and pinions are available for the POLINI HT clutch to adapt the toothing; This product is designed with a straight-toothed Z23 pinion.

Vehicle assignment

Suitable for the Vespa Vespa 125, built between 1977 and 1982. The vehicle assignment should be compared with the existing drive and the desired primary gearing before assembly.