Vespa Cylinder Kit Malossi 75cc, PK50, PK50Xl 50 Special
Product Code: BD02303
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- Material: special self-lubricating, wear-resistant, highly refined cast iron alloys, obtained by Shell Moulding gravity die-casting.
- Machining: on numerically controlled high precision machine tools.
- Recalculated and increased heat exchange surfaces.
- Exhaust and transfer ports designed and tuned for maximum thermodynamic performance.
- Dimensional and surface finish quality control performed according to Malossi's internal specifications.
- Cylinder and piston selected for a 100% fit of 0.010-0.005 mm.
- Checking of all the seals carried out.
- Material: special aluminium alloy with high silicon content and low thermal expansion.
- Machining: on numerically controlled machine tools.
- Lightened and strengthened.
- Heat exchange surfaces increased.
- Piston rings in very strong modular cast iron with ground, wear-resistant.
- Material: special die-cast aluminium alloy.
- Geometry of heat exchange surfaces recalculated and increased.
- Machining: numerically controlled high precision machines with diamond tools.
- Surface rust prevention treatment.
- Viton Head Gasket.
- Hemispheric combustion chamber with centred squish and spark plug.