Spare parts for Aprilia SR 50 R Factory

Polini Big Evolution muffler Piaggio engines 70ccCode: 200.0286The Polini Big Evolution mufflers were created to make the most of the performance of Big Evolution cylinders for horizontal water-cooled...

Polini crankshafts Big EvolutionCode: 210.0021The Polini Big Evolution crankshafts are designed exclusively for the Big Evolution cylinder kits in order to improve the quality of the components and...

Polini cylinder kit Big Evolution 70Code: 140.0207The Polini Big Evolution cylinder kit consist of a cylinder in heat treated aluminum to make it non-deformable, the head surface is nickel-plated to...

Polini carburetor D.24Code: 201.0166Available in diameters of 24, 26 and 28 mm, Polini carburettors are equipped with a chromed alloy valve to improve resistance to abrasion and wear. The performances...

Polini carburetor D.26Code: 201.0167Available in diameters of 24, 26 and 28 mm, Polini carburettors are equipped with a chromed alloy valve to improve resistance to abrasion and wear. The performances...

Polini carburetor D.28Code: 201.0168Available in diameters of 24, 26 and 28 mm, Polini carburettors are equipped with a chromed alloy valve to improve resistance to abrasion and wear. The performances...

Polini manifold diameter 24/26/28 360 degreesCode: 215.0437Polini intake manifolds allow the replacement of the original manifolds both as a spare part for damaged components, but also as an upgrade...

Increased reed valve pack Polini for 24/26/28 carburetorsCode: 213.0055The Polini valve or reed valve regulates the flow rate of fresh gases in the combustion chamber of 2-stroke engines. The...