Polini Big Evolution 94 cylinder kit Code: 166.0111 The Polini Big Evolution cylinder kit consists of a thermally treated aluminum cylinder to make it non-deformable, the surface of the head is nickel-plated to prevent the firing of detonations, CNC machining with centesimal tolerance, to have a perfect cylinder / cylinder head Coupling increasing durability of the components. There are 5 transfer ports plus a crossbar exhaust port to improve removal of burnt gases. The piston is made of gravity cast light alloy with a high silicon content with a cast iron ring, ground and lapped, the head is also made of gravity casting, so the mechanical strength can be compared to that of a head made of solid. NB: To mount the Big Evolution Kit it is essential to drill the crankcase and replace the crankshaft with the new Polini complete with 85mm connecting rod specific for each model. Characteristics: Caliber: 52 Career: 44 Displacement: 93.44 Compression Ratio: 15:1 MATERIAL: ALUMINUM The kit must be assembled exclusively with Polini COD crankshaft. 210.0023
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: APRILIA AREA 51 APRILIA RALLY 50 LC APRILIA SONIC 50 GP (CY) APRILIA SR 50 2T LC STEALTH, RACING, NETSCAPER APRILIA SR 50 2T mod.94, 95, 96 H2O APRILIA SR 50 2T WWW BENELLI 491 50 RR, RACING, SP, SPORT BENELLI K2 50 LIQUID COOLED BETA ARK 50 LC, SERIE K BETA EIKON 50 ITALJET DRAGSTER 50 LC MALAGUTI F 12 50 PHANTOM LC MALAGUTI F 15 50 H2O FIREFOX MBK NITRO 50 H2O MBK NITRO 50 H2O dal 1996-> YAMAHA AEROX 50 2T H2O YAMAHA AEROX 50 2T H2O dal 2004-> YAMAHA JOG 50 LC RR