Malossi H20 Tech Ø63mm Piaggio Cylinder-piston kit

MALOSSI H20 I-Tech Cylinder Kit - Ø63 mm
A thermal group designed for Piaggio/Vespa blocks, intended for urban setups that require precision and robustness. The Malossi H20 I-Tech kit offers a generous bore and optimized materials for enhanced thermal and mechanical stability.

Cylinder Features

• Bore: Ø 63 mm
• Stroke: 58.7 mm
• Displacement: 183 cc
• Compression Ratio: 11.48
• Material: high silicon content primary aluminum alloy, heat-treated
• Machining: performed by CNC machine tools for tight tolerances
• Thermal exchange surfaces recalculated and enlarged

Piston

• Extra compact three-segment design
• Special aluminum alloy with high silicon content, low thermal expansion
• Sliding walls with tin application
• High precision machining, lightweight and reinforced

Segments

• 1st compression ring made of nitrided and chrome-plated steel
• 2nd ring made of special cast iron
• Three-part scraper made of special steel, chrome-plated
• Cylinder-piston fitting tolerance: 0.05 mm

Kit intended for setups on Piaggio/Vespa engines in urban use. Compatible with many 125 cc variants after mechanical adaptation — common applications: Aprilia SR GT 125, Vespa GTS Super 125, Piaggio Medley 125 IE (check compatibility and settings before installation). Break-in and carburetor/engine management adjustments are required for reliable operation.

Manufacturer Reference: 3117737