View cart “Crankshaft -POLINI RACING (for reed valve intake) full circle ‘reed mission’, stroke 54mm, conrod 105mm- conversion crankshaft Vespa PK50 XL/XL2 to 125cc (Ø=20mm cone) – for cylinder P1400227 vendita” has been added to your cart.
Complete kit for quick and easy conversion to membrane inlet. The individual parts are perfectly matched to the respective engine type. The advantage of the diaphragm is that the intake tract can be designed more freely. The intake time is no longer limited by the rotary vane. This results in significantly more power and torque, especially in the lower and middle range. AI-translation
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