Malossi MHR Cylinder 177cc Vespa PX / CL / Iris 125/150cc 2-Stroke

MHR Cylinder Ø63 for Vespa PX/CL/Iris 125/150 Malossi.

Malossi surprises us with a cylinder developed from scratch, among its features we find a new manifold with an O-ring that is fastened with 4 screws.

Made of aluminium, it consists of 7 transfer ports as it could not be otherwise.

The piston has been cast with an innovative material that gives it extreme lightness, and excellent resistance to corrosion and temperature.

The cylinder head has been developed to dissipate the maximum amount of heat produced by combustion.

• Use: Sport/Racing
• Power: 21/28hp
• Recommended Carburettor Ø 28/30
• Stroke: 57mm
• RDC: 1:12.5
• Piston rings: 1
• Transfers: 7
• Cylinder head: hemispherical
• Spark plug: long thread BR9EIX

Assembly instructions.

 Valid for Vespa PX 125 Disco, Vespa PX 150 Disco, Vespa 125 Cosa, Vespa 150 Cosa, Vespa 125 CL, Vespa 150 CL, Vespa 125 IRIS and Vespa 150 IRIS.