torque spring Polini +55% for Minarelli
DESCRIPTION
Polini springs that increase pressure by 55% and is therefore ideal for lightly tuned engines. 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.
Original spring weight: 45/20mm/kg.
Polini spring weight: 45/31.5mm/kg.
Spring thickness: 4mm.
Total length: 112mm.
Internal diameter: 46mm.
Number of coils: 7.
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