torque spring Polini for Honda Silver Wing 400, 600cc 243.085

The springs press the gear on the rear converter onto the belt. It also creates pressure to shift the variator. A lighter pressure is required once a motor has been tuned to prevent the engine from moving into a dangerously high rev range. The pressure of the springs is closely tied to the variator. If a spring is fitted, it must be matched to the variator. Polini spring weight: 60/110mm/kg. Spring thickness: 7mm. Total length: 129mm. Internal diameter: 67mm. Number of coils: 6.