torque spring Polini +15% for Piaggio 125-180cc 2-stroke P.20661
These Polini counterpressure springs increase pressure by 15%, making them ideal for light tuning. When the level of tune increases, so too should the strength of the springs. Variator must be calibrated if springs are changed.
- Original Spring Loading: 70/36mm/kg
- Polini Spring Loading: 70/42mm/kg
- Spring Thickness: 4.7mm
- Spring Length: 170mm
- Inside Diameter: 55.5mm
- Number of Turns: 7
Manufacturer Nr.: Polini
EAN: 8054705079115
EU Responsible Person : BTS GmbH, Plochingerstrasse 41, Otsfildern, 73760, info@biketeile-service.de
Attention! Does not fit for Aprilia RS Extrema/Replica 50 SE000 2002, 2,7 PS, 2 kw