Crankshaft -POLINI (rotary valve) 51mm stroke, 97mm con-rod- Vespa PV125, ET3 125, PK80 S, PK125 S (Ø=19mm cone)

Very high quality Polini tuning crankshaft. Solid CNC connecting rod, top and bottom slotted. Extended intake angle to increase the time cross section of the intake and increase the power over the whole rev band. Condition when using larger cylinders/carburettors. But also brings already a noticeable effect on original cylinders.

Well balanced, the Polini shaft offers a clean concentricity.

Technical data:

• cone: small type (Ø19mm shaft seal)
• stroke: 51mm
• piston pin: 15mm

Suitable for:

• Vespa V90, V100, SS90, 90 Racer, PV125, ET3, PK80 S, PK125 S

FITS :

• Vespa (Motovespa) Vespa 125 Primavera (engine 9NK)
• Vespa (Motovespa) Vespa 125 Primavera (engine 9NV)
• Vespa (Motovespa) Vespa 125 Primavera (engine 9T)
• Vespa (Motovespa) Vespa 75 Primavera (engine 9PK)
• Vespa (Motovespa) Vespa 75 Primavera (engine 9PN)
• Vespa (Motovespa) Vespa Super (engine 762M)
• Vespa (Motovespa) Vespa 75 (engine 08M)
• Vespa (Motovespa) Vespa 75 PR (engine 9PR)
• Vespa (Piaggio) Vespa 90 (V9A1T)
• Vespa (Piaggio) Vespa 90 Super Sprint (V9SS1T, SS90)
• Vespa (Piaggio) Vespa 125 Nuova (VMA1T)
• Vespa (Piaggio) Vespa 125 Primavera (VMA2T)
• Vespa (Piaggio) Vespa 125 ET3 (VMB1T)
• Vespa (Piaggio) Vespa 90 (V9A1T 141544-)
• Vespa (Piaggio) Vespa 90 (V9A1T)
• Vespa (Piaggio) Vespa 125 Nuova (VMA1T)