Vespa Cosa 150 [1988-1997] - Cylinder kit gray cast iron Ø 63

MALOSSI cylinder kit gray cast iron Ø 63 for Vespa Cosa 150

The cylinder kit is tailored to the Vespa Cosa 150 from the 1988-1997 model range and has a bore of 63 mm and a displacement of 178 cm3. The revised fluid dynamics with six running channels directs the gas flow in a targeted manner and supports efficient flushing of the cylinder.

Sophisticated cylinder and piston design

The inlet and rear overflow channels have specially designed profiles. The outlet has also been redesigned to direct the gas flow towards the exhaust. The two-ring piston Ø 63 is designed for high operating temperatures. Its shape supports even guidance in the liner and reduces the play between piston and cylinder.

Cylinder head and cooling

The hemispherical cylinder head features numerically machined internal surfaces, an inclined yet central spark plug position and revised cooling fins. Two centering bushings ensure the coupling of the head and cylinder; separation occurs via an O-ring.

Technical data

• Material: aluminum
• Diameter: 63mm
• Displacement: 178 cm3
• Stroke: 57
• Compression ratio: 1:10.5
• Number of segments: 2
• Number of running channels: 6
• Cylinder head: hemispherical
• Spark plug: IW 27
• Performance range: 14/22
• Processing level: Easy
• Recommended carburetors: Si 24/24, PHBH 30

Vehicle assignment and use

Suitable for the Vespa Cosa 150, built between 1988 and 1997. The product is intended exclusively for competitions at designated venues in accordance with the regulations of the relevant sports associations.