{"product_id":"opu020-albero-motore-ottopuntouno-8-1-corsa-47-biella-100-per-carter-fireblade","title":"OPU020 Ottopuntouno 8.1 stroke crankshaft 47mm \/ connecting rod 100mm for Fireblade crankcase","description":"\u003ch2\u003e 8.1 R-18 crankshaft for Polini, 2Fast and 8.1\u003c\/h2\u003e \u003cp\u003eHigh-end crankshaft from the Italian tuning expert Ottopuntouno (8.1) with 47 mm stroke and 100 mm connecting rod for the \u003cstrong\u003ecrankcases of the\u003c\/strong\u003e \u003cstrong\u003ePolini PRE\u003c\/strong\u003e , \u003cstrong\u003e2Fast Passion\u003c\/strong\u003e and \u003cstrong\u003e8.1 Fireblade\u003c\/strong\u003e engines.\u003c\/p\u003e\n\u003ch3\u003e High-end racing crankshaft Design Ottopuntouno\u003c\/h3\u003e\n\u003cp\u003e This is a full-flange racing crankshaft made of high-quality steel, with 100 mm connecting rods and 18 mm crankpins. The crank diameter is 8 mm, and the perfect crankshaft balance is achieved with tungsten balance weights. The construction and balancing are perfectly matched to the 100cc 8.1 cylinder from Ottopuntouno. The crankshaft was developed for use with the OttopuntoUno cylinder kit, but can also be used with other 100cc cylinders with the corresponding stroke.\u003c\/p\u003e \u003cp\u003eThe R-18 version is designed to be installed in the \u003cstrong\u003ecrankcase of\u003c\/strong\u003e a \u003cstrong\u003ePolini PRE\u003c\/strong\u003e , \u003cstrong\u003e2Fast Passion\u003c\/strong\u003e or \u003cstrong\u003e8.1 Fireblade\u003c\/strong\u003e \u003cstrong\u003eengine\u003c\/strong\u003e , but the crankcase must be slightly milled to make room for the larger connecting rods. The crank diameter is 84 mm.\u003c\/p\u003e\n\u003ch3\u003e Ottopuntouno R-18 Crankshaft Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e High-end crankshaft\u003c\/li\u003e\n\n\u003cli\u003e Stroke: 47 mm\u003c\/li\u003e\n\n\u003cli\u003e Connecting rod: 100 mm\u003c\/li\u003e\n\n\u003cli\u003e Crank diameter: 84 mm\u003c\/li\u003e\n\n\u003cli\u003e Piston pin bearing: 14x17x17 mm\u003c\/li\u003e\n\n\u003cli\u003e Crank pin: 18 mm\u003c\/li\u003e\n\n\u003cli\u003e Balancing factor 50%\u003c\/li\u003e\n\n\u003cli\u003e Weight: 2.05 kg\u003c\/li\u003e\n\n\u003cli\u003e For Polini PRE, 2Fast Passion and 8.1 Fireblade\u003c\/li\u003e\n\n\u003cli\u003e Made in Italy\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Billaricambi SRLS","offers":[{"title":"Default Title","offer_id":55462152798532,"sku":"OPU020","price":701.96,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0856\/3730\/0548\/files\/584945_5040139.jpg?v=1755853016","url":"https:\/\/www.billaricambi.it\/en\/products\/opu020-albero-motore-ottopuntouno-8-1-corsa-47-biella-100-per-carter-fireblade","provider":"Billaricambi SRLS","version":"1.0","type":"link"}