Polini cylinder set (61mm / 171cc) for the following applications: Piaggio Fly II DD LEM 125i AIR 4T 3V E3 (2012-2014) / Fly II DD LEM 150i AIR 4T 3V E3 (2013-2018) / Fly II DT LEM 125i AIR 4T 3V E3 (2013-2015) / Liberty 125i LEM AIR 4T 3V E3 (2013-2015) / Liberty 150i LEM AIR 4T 3V E3 (2013-2014) / Vespa 946 125i AIR 4T 3V E3 (2013-2015) / 946 125i AIR 4T 3V E4 (2016-2020) / LT 125i LEM AIR 4T 3V E3 (2013-2016) / LT 150i LEM AIR 4T 3V E3 (2014) / LX 125i LEM AIR 4T 3V E3 (2012-2014) / LX 150i LEM AIR 4T 3V E3 (2012-2014) / Primavera 125i AIR 4T 3V E3 (2013-2017) / Primavera 150i AIR 4T 3V E3 (2013-2016) / S 125i LEM AIR 4T 3V E3 (2012-2017).
The cylinder can be used exclusively on fuel-injected engines. The cylinder surface is coated with hard chrome, and the edges of the piston rings are also chrome-plated to minimize friction. The control unit (ECU / P. 33230) as well as the corresponding wiring harness (P. 33231) are included. 100% made in Italy.
The set includes:
- Cylinder;
- Equipped piston (piston, pin, rings, clips);
- Control unit;
- Wiring harness;
- Gaskets.
Technical specifications:
- Displacement: 171 cc;
- Stroke: 58.6 mm;
- Bore: 61.00 mm;
- Piston pin: 14 mm;
- Compression ratio: 11.2:1;
- Cooling: air-cooled;
- Material: aluminum;
- Class: Sport.
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