Cylinder Malossi 75cc cast iron for Vespa 50 - Ape 50

Description

Cylinder: Material: cast iron alloys of special self-lubricating, wear-resistant to very high degree of refining, obtained by gravity casting with Shell Molding. Machining: on numerically controlled machine tools with high precision. Heat exchange surfaces recalculated and increased. Exhaust and transfer ports designed and tuned for maximum thermodynamic efficiency. Dimensional controls shape and roughness according Malossi standards. Cylinder and piston 100% in selections of from 0.010 to 0.005 mm. Control of the seals carried out 100%. Piston: Material: special aluminum alloy with high silicon content and low thermal expansion aluminum. Machining: on numerically controlled machines. Lightened and reinforced. Surfaces increased heat exchange. Segments: Segments of spheroidal cast iron with high mechanical resistance. Head: Material: special cast aluminum alloy. Geometry of heat exchange surfaces recalculated and increased. Precise machining on numerically controlled machines with diamond tools. Surface rust prevention treatment. dellacompressione seal with Viton gasket. on combustion chamber squish with hemispheric and candle in the center.

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