MALOSSI 3113030 THERMAL UNIT CYLINDER KIT

Racing Cylinder MALOSSI MHR BIG BORE 77 cc for GILERA BIG BORE 77 cc for GILERA/PIAGGIO 50cc 2-Stroke LC 2T LC Ø 50,0mm, aluminium, stroke 39,3mm, 1 pistonring(s), pin 12mm, with cylinder head, RACE-Tuning, for highestdemands BIG BORE Ø 50 The new BIG BORE Ø 50, stroke 39,2-39,3 and 44, cylinder kits comes from the technology of the famous Malossi 7 ports cylinders. They are designed for both Minarelli and Piaggio engines. All pilots, thrilled about the news, wished to test them. The expectations were not disappointed : the power increase and the absolute reliability proved, once again, the high quality of the products and Malossi professionalism. Technical specifications: - 7 ports cylinder, H2O, gravity melted in aluminium alloy, cylinder casing coated in cermetal, lapped with diamond tools - Bore 50 - 1 ring, strengthen and rounded head piston - KDN5 cast iron piston ring Ø 50 x 0.8 - Modular head in primary aluminium alloy, drained, with calculated and orientated convoying system of cooling circuit. Technical note : the BIG BORE cylinder kits must be used only coupled with Malossi crankshafts. ATTENTION: to grant the due stiffness to the cylinder kit, the cylinder has an introduction diameter into the crankcase of 56,2 -0,1/-0,2 mm. Therefore, it is necessary to bore the crankcases with a boring bar of 56,7 + 0,0/0,1 mm for a depth of 21 mm.###3113030 (MALOSSI)