Cast iron cylinder kit I-Tech (diameter 47mm / 3112044) - Aprilia SR50 Ditech I.E H2O 2T E2 '07/'03-'12 (Pure Jet) - Malossi

Cast iron cylinder set I-Tech (47mm) Malossi. Among the most important applications are: Aprilia SR50 Ditech I.E H2O 2T E2 2007/2003-2012 (Pure Jet) / SR50 Factory I.E H2O 2T E2 2004-2009 (Pure Jet) / SR50 Factory I.E H2O 2T E2 2010-2014 (Pure Jet) / Gilera Runner Pure Jet 50i H2O 2T E2 (2004) / Runner Pure Jet RST 50i H2O 2T E2 (2005-2006) / Runner Pure Jet RST 50i H2O 2T E2 (2010-2011) / Runner Pure Jet ST 50i H2O 2T E2 (2008) / Piaggio NRG MC3 Pure Jet 50i H2O 2T E1 (2001-2004) / NRG Power Pure Jet 50i H2O 2T E2 (2004-2011).

- Cylinder set for liquid-cooled engine;
- Cast iron cylinder made from a special self-lubricating cast iron alloy, wear-resistant, obtained through gravity casting;
- Machining on high-precision numerically controlled machine tools;
- Heat exchange surfaces recalculated;
- Exhaust and transfer ports designed and tested for maximum thermodynamic performance;
- Dimensional checks of shape and surface texture;
- Cylinder and piston selected for a 100% fit of 0.010-0.005 mm;
- Inspection of all seals performed;
- Piston made from a special aluminum alloy with high silicon content and reduced thermal expansion;
- Machining on numerically controlled machine tools;
- Heat exchange surfaces have been enlarged;
- Cast iron piston rings with wear-resistant contact surface, with hard metallic chrome;
- Cylinder head made from a special pressure-cast aluminum alloy;
- Sections and paths of the cooling circuit recalculated and resized (liquid-cooled models);
- Machining on high-precision numerically controlled machines with diamond tools;
- Surface rust prevention treatment;
- Includes cylinder head;
- Bore: 47 mm;
- Piston pin diameter: 12 mm;
- Stroke: 39.3 mm;
- Class: Sport.

Note: for the correct operation of the set, it is absolutely necessary to use the TC unit provided in the set and to replace the primary gears with the HTQ Malossi along with the original or Malossi exhaust system.

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