Vespa PK XL 125 [1983-1991] - cast iron cylinder kit ø 57.5 pin ø 15

MALOSSI cast iron cylinder kit for Vespa PK XL 125

The MALOSSI cast iron cylinder kit with a diameter of 57.5 mm and a pin with Ø 15 is assigned for the Vespa PK XL 125 from the model year range 1983-1991. The cylinder is made of cast iron and is designed for urban and sports applications.

Technical features

• Material: cast
• Diameter Ø: 57.5 mm
• Pin Ø: 15
• Stroke: 51mm
• Displacement: 132.5 cm³
• Piston compression: Racing
• Compression ratio: 1:11.4
• Piston rings: 2
• Openings: 7
• Cylinder head: hemispherical
• Spark plug: central IW 27

Structure and area of application

The cylinder has a newly calculated cooling surface. The kit includes a structurally reinforced piston made of an aluminum alloy with a high silicon content. The low-noise piston profile works with two self-lubricating piston rings made of lamellar cast iron with a rectangular cross-section.

SHB 20 or PHBL 25 are recommended as carburetors. The design is intended for longer loads and supports use in urban and sports areas.

Vehicle assignment

Suitable for Vespa PK XL 125, built between 1983 and 1991.

Factual note

This product is intended exclusively for use in competitions at designated venues in accordance with the regulations of the relevant sports associations. No liability is assumed for improper use.