THE MALOSSI CAST-I-CYLINDER KIT Ø 55 VESPA 50

CAST-I-CYLINDER KIT Ø 55 VESPA 50

CYLINDER
- 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.
PISTON
- 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
- PISTON RINGS IN VERY STRONG MODULAR CAST IRON WITH GROUND, WEAR-RESISTANT.
HEAD
- 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.