Polini 65cc Cylinder Kit 43.5mm – Puch Maxi / Macho Air Cooled

The Polini 65cc 43.5mm cylinder is a performance upgrade for Puch Maxi and Puch Macho air-cooled 2-stroke engines. With a 43.5 mm bore, displacement increases to approximately 65cc, resulting in significant power and torque gains.

According to Polini factory specifications, this cylinder can reach up to around 9000 RPM and produces approximately 6.2 hp, depending on setup and tuning.

The kit is supplied very complete, including a reed valve and intake manifold suitable for a 15mm Bing carburetor, providing an excellent foundation for performance builds.

Important: This is a sensitive performance cylinder. Check the cylinder carefully before installation and remove any sharp edges if necessary. Do not overtighten the reed valve during installation.

Technical specifications:

• Brand: Polini
• Article number: 144.0150
• GTIN: 8054705025990
• Displacement: 65cc
• Bore: 43.5 mm
• Material: Aluminium
• Cooling: Air cooled (AC)
• Piston pin: 12 mm
• Engine type: 2-stroke
• Engine: Puch 50cc
• Tuning level: Sport / Race

Kit includes:

• 65cc 43.5mm cylinder
• Reed valve
• Intake manifold for 15mm Bing carburetor
• Piston
• Piston ring
• Piston pin
• Piston clips
• Top gasket set
• Intake and exhaust studs

Spare parts:

• Polini 65cc 43.5mm piston size A
• Polini 65cc 43.5mm piston size B
• Polini 65cc 43.5mm piston size C
• Polini 65cc 43.5mm piston size D
• Polini 65cc gasket set Puch Maxi

Note: This performance cylinder is not homologated for public road use. Proper carburetor and ignition tuning are required.

Also known as Polini 43.5mm Puch Maxi cylinder, Polini 65cc Puch Macho or Polini performance cylinder air cooled.