Vespa GTR 125 [1977-1978] - racing clutch with Z22 sprocket with helical teeth

POLINI racing clutch for the Vespa GTR 125 with Z22 sprocket

The POLINI racing clutch combines reverse functionality with a design designed for racing. The part connected to the crankshaft sits as an inner hub and not as an outer clutch bell. The version with Z=22 and helical gearing enables targeted adjustment of the primary gear ratio.

Function and design features

• Pressure plate with axial bearing for resilient and consistent actuation
• Aluminum bell for the POLINI HT clutch
• Block cover with oil collecting groove
• Reinforced aluminum discs with 8 teeth
• Adjustable spring force to adapt the clutch characteristics

The helical toothed version with Z=22 is tailored to the selection of the appropriate primary toothing. Interchangeable primary gears allow the clutch configuration to be adapted to different gear ratio requirements. The design supports precise and smooth gear changes.

Technical data

• Brand: POLINI
• Version: Racing clutch with sprocket
• Pinion: Z=22, helical toothed
• Clutch system: POLINI HT clutch For Race
• Product category: engine, clutch

Vehicle assignment

Suitable for the Vespa GTR 125 from 1977-1978.

Factual note

The spring force and the primary toothing can be selected according to the desired gear ratio. Various primary gears are available for adjustment in this clutch system.