{"product_id":"bhir-1125897","title":"POLIN CYLINDER D.47 AXE 12","description":"\u003cp\u003eProducts reserved exclusively for competitions in designated areas, in accordance with the provisions of the competent sports authorities. We assume no responsibility for improper use.\u003c\/p\u003e\u003cp\u003ePolini crankshaft and cylinder kit for Polini for Piaggio Ciao and Si\u003c\/p\u003e\u003cp\u003ePolini Motori goes on with the latest news dedicated to the legendary Piaggio Ciao and Si.\u003c\/p\u003e\u003cp\u003ePolini Motori continues to work to enrich the line of products dedicated to Piaggio Ciao and Si. After the Polini For Race reed crankcase and the CDI, the factory presents two other innovations studied and designed as usual with the aim of increasing performance and resistance, especially for the reed engines, born with limitations given by the original housing.\u003c\/p\u003e\u003cp\u003eThe new Polini Ø 47 cast iron cylinder kit with 4 studs has been designed for a specific combination with the Polini For Race crankcase for all Ciao, Si, Bravo, Boss, Grillo mopeds.\u003c\/p\u003e\u003cp\u003eThe drilling involves the fixing of the cylinder by means of 4 studs that ensure a more efficient distribution of the stresses during operation and allow a centered discharge with the axis along which the washing process develops and a thin crossbar.\u003c\/p\u003e\u003cp\u003eFurther technical features: exhaust transfer with booster holes, one piston ring, head gasket in annealed aluminum. All these are important details that guarantee better performance.\u003c\/p\u003e\u003cp\u003eFor the assembly of the cylinder kit it is necessary to match the specific exhaust available at the end of 2023.\u003c\/p\u003e\u003cp\u003ePolini for Piaggio Ciao and Si :\u003c\/p\u003e\u003cp\u003ePower unit reference 140.0136\u003c\/p\u003e\u003cp\u003e100% Made in Italy\u003c\/p\u003e\u003cp\u003eThe new Polini Ø 12 pin, full-circle crankshaft is offered in exclusive combination with the Polini For Race reed crankcase.\u003c\/p\u003e\u003cp\u003eØ 12 Polini For Race crankshafts for Piaggio Ciao and SI have a forged and copper-plated connecting rod and are supplied complete with the appropriate small end bearing.\u003c\/p\u003e\u003cp\u003eThey are balanced to reduce both vibrations and power loss and heat treated to increase strength features.\u003c\/p\u003e\u003cp\u003ePolini For Race crankshafts are suitable for both 50cc and 70cc cylinder kits.\u003c\/p\u003e\u003cp\u003ePolini for Piaggio Ciao and Si :\u003c\/p\u003e\u003cp\u003eCrankshaft : item 210.0074\u003c\/p\u003e\u003cp\u003e100% Made in Italy\u003c\/p\u003e","brand":"POLINI","offers":[{"title":"Default Title","offer_id":58185517629788,"sku":"1125897","price":361.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/5072\/8284\/files\/800Wx800H-1125897-1.jpg?v=1783065798","url":"https:\/\/checkout.xparts.weostores.com\/products\/bhir-1125897","provider":"xparts","version":"1.0","type":"link"}