Polini cylinder kit (63mm / 177cc) for the following applications: LML Star Deluxe 125 AIR 2T E1 (2000-2006) / Star Deluxe 125 AIR 2T E2 (2007-2017) / Star Deluxe 150 AIR 2T E1 (2000-2006) / Star Deluxe 150 AIR 2T E2 (2007-2017) / Vespa Cosa1 125 AIR 2T (1987-1991) / Cosa1 150 AIR 2T (1987-1991) / Cosa2 125 AIR 2T (1991-1996) / Cosa2 150 AIR 2T (1991-1996) / PX 125 AIR 2T (1977-1981) / PX 125E AIR 2T (1982-2000) / PX 125E AIR 2T E1 (2001-2003) / PX 125E AIR 2T E2 (2004-2010) / PX 125E AIR 2T E3 (2011-2017) / PX 150 AIR 2T (1977-1981) / PX 150E AIR 2T (1982-2000) / PX 150E AIR 2T E1 (2001-2003) / PX 150E AIR 2T E2 (2004-2010) / PX 150E AIR 2T E3 (2011-2017) / Sprint 125 AIR 2T (1971-1973).
The kit includes:
- Cylinder;
- Complete piston assembly (piston, wrist pin, rings, circlips);
- Cylinder head;
- Gaskets.
Technical specifications:
- Displacement: 177 cc;
- Stroke: 57.00 mm;
- Bore: 63.00 mm;
- Piston pin: 15 mm;
- Cooling: air-cooled;
- Material: aluminium;
- Class: Sport.
Note: For models with electric starter, it is necessary to modify the outer side of the cylinder closed by the flywheel, as the starter ring on the flywheel interferes with the cylinder. Use a long-thread spark plug.
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