Vespa Primavera 125 3 V Touring [2020] - aluminum cylinder ø 63 pin ø 14 4-stroke

MALOSSI aluminum cylinder for Vespa Primavera 125 3 V Touring

The MALOSSI aluminum cylinder with 63 mm bore and 14 mm piston pin is designed for the 4-stroke engine of the Vespa Primavera 125 3 V Touring built in 2020. The design combines a lightweight aluminum construction with precisely machined components for motorsport use.

Technical features

• Bore: 63mm
• Stroke: 58.6mm
• Displacement: 182.67 cm³
• Compression ratio: 11.15:1
• Material: Primary aluminum alloy with high content of hardened and tempered silicon
• Cylinder liner with silicon carbide coating
• Cylinder-piston connection with a tolerance of 0.05 mm
• Recalculation and improvement of heat exchange surfaces

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. Its sliding surfaces have a tin coating. Machining is carried out on numerically controlled machine tools; the piston is weight-reduced and reinforced.

The ring set includes an I-ring compression ring made of nitrided and chrome-plated steel, a special cast ring as a second compression ring and a three-part wiper ring made of special chrome-plated steel alloy. The special rings are designed for high sliding properties and high mechanical strength.

Vehicle assignment

Vespa Primavera 125 3 V Touring, built in 2020.

Important note

This product is intended exclusively for racing in specially designated locations in accordance with the regulations of the relevant sports authorities. No liability is assumed for improper use.