VESPA PRIMAVERA 125 3 V [2020-2023] - aluminum cylinder ø 63 pin ø 14 4-stroke

MALOSSI aluminum cylinder for the Vespa Primavera 125 3 V

The MALOSSI aluminum cylinder ø 63 with pin ø 14 is designed as a 4-stroke cylinder for the VESPA PRIMAVERA 125 3 V in the 2020-2023 model year range. With a bore of 63 mm, a stroke of 58.6 mm and a displacement of 182.67 cm³, it forms the basis for the engine structure described.

Technical features

• Material: aluminum
• Bore: 63mm
• Stroke: 58.6mm
• Displacement: 182.67 cm³
• Compression ratio: 11.15:1
• Pin Ø: 14
• Piston compression: Racing

The cylinder is made of a primary aluminum alloy with a high proportion of hardened and tempered silicon. The cylinder liner has a silicon carbide coating in electroplated nickel form and crossed smoothing with two diamond passes. Production takes place on numerically controlled high-precision machines. Cylinder and piston are matched to each other with a tolerance of 0.05 mm.

Pistons and piston rings

The ultra-compact three-ring piston is made of a special aluminum alloy with a high silicon content and low thermal expansion. The sliding surfaces have a tin coating. The weight-reduced and reinforced component has optimized heat exchange surfaces.

The ring set includes an I-ring made of nitrided and chrome-plated steel, a special cast ring and a three-part wiper ring made of special chrome-plated steel alloy. Installation is intended exclusively with the Force Master 2.1 control unit.

Vehicle assignment and use

Suitable for: VESPA PRIMAVERA 125 3 V, years of construction 2020-2023. The product is intended exclusively for competitions at designated venues in accordance with the regulations of the relevant sports associations. No liability is assumed for improper use.