Vespa Sprint Veloce 150 [1977-1979] - racing clutch with Z24 sprocket straight teeth

POLINI racing clutch Z24 with straight-toothed pinion for Vespa Sprint Veloce 150

The POLINI racing clutch with Z24 ring gear and straight-toothed pinion is designed for the Vespa Sprint Veloce 150 built between 1977 and 1979. Their reverse operation connects the crankshaft to the inner hub instead of the outer bell. As a result, the design is based on an independent functional principle for racing clutch use.

Structure and function

• Pressure plate on thrust bearing for smooth operation
• Aluminum bell as part of the clutch construction
• Block cover with oil collecting groove
• Reinforced aluminum discs with 8 teeth for efficient power transmission
• Sprocket Z24 with straight teeth

The spring force of the clutch can be adjusted. This means that the operation can be tailored to the respective area of ​​application. The design also supports precise and smooth shifting for effortless gear changes.

Technical execution

The straight-toothed primary gear with Z24 enables targeted selection of the gear ratio within the POLINI system. The clutch can be adapted to different gear ratio requirements by replacing the primary gear. For this version, the focus is on the Z24 gear ring with straight teeth.

Vehicle assignment

Suitable for the Vespa Sprint Veloce 150, built between 1977 and 1979.

The technical documents include a technical data collection and assembly instructions. When making your selection, the vehicle model, complete year of manufacture and the desired gearing must be taken into account.