Vespa Primavera 125 3V S.W. [2020] - Aluminum cylinder ø 63 pin ø 14 4-stroke

MALOSSI aluminum cylinder for Vespa Primavera 125 3 V S.W. Year of construction 2020

The MALOSSI aluminum cylinder ø 63 pin ø 14 4-stroke is a racing cylinder for the Vespa Primavera 125 3 V S.W. built in 2020. With a bore of 63 mm, a stroke of 58.6 mm and a displacement of 182.67 cm³, it is designed for use in the engine sector.

Technical features

• Cylinder made of aluminum or a primary aluminum alloy with a high proportion of hardened and tempered silicon
• Cylinder liner with silicon carbide coating in electroplated nickel form
• Compression ratio: 11.15:1
• Cylinder-piston connection with a tolerance of 0.05 mm
• Piston with 3 rings, reduced weight and reinforced
• Piston made of a special aluminum alloy with a high silicon content and tin coating on the sliding surfaces
• Special piston rings with high sliding properties and very high mechanical strength

Machining and construction

Machining is carried out on numerically controlled machine tools. The liner features crossed smoothing with two diamond passes and very limited tolerances. Revised heat exchange surfaces on the cylinder and piston support the structural design of the component for racing.

Vehicle assignment

Suitable for the Vespa Primavera 125 3 V S.W., built in 2020.

Important note on use

The cylinder must only be installed with a Force Master 2.1 control unit. The product is intended exclusively for racing at designated venues in accordance with the regulations of the relevant sports authorities. No liability is assumed for improper use.