{"product_id":"mgt1-pwb-56147-1147932","title":"Vespa PK S Automatic 125 [1984-1989] - crankshaft with pin ø 15, connecting rod 97, stroke 51 mm and rotating valve and - cone ø 20","description":"\u003ch2\u003eMALOSSI crankshaft for Vespa PK S Automatic 125\u003c\/h2\u003e\u003cp\u003eThe MALOSSI crankshaft is intended for the Vespa PK S Automatic 125 from the 1984-1989 model year range. Their design is tailored to drive units with rotating valve inlets and combines defined dimensions with design solutions for stable crankshaft function.\u003c\/p\u003e\u003ch3\u003eDesign and technical features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBolt: ø 15\u003c\/li\u003e\n\u003cli\u003eConnecting rod: 97\u003c\/li\u003e\n\u003cli\u003eStroke: 51mm\u003c\/li\u003e\n\u003cli\u003eVersion with rotating valve\u003c\/li\u003e\n\u003cli\u003eCone: ø 20\u003c\/li\u003e\n\u003cli\u003eAerospace grade reinforced steel crankshaft vacuum cast\u003c\/li\u003e\n\u003cli\u003eConnecting rods in “Viper Head” shape to combine low weight with the required rigidity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIn the version for the rotating valve inlet, the intake phase is incorporated into the inner half crank. The resulting shape supports pronounced fluid dynamics within the crankshaft. For balancing purposes, parts made of tungsten are inserted into the crankshaft as counterweights. This means that the stability of the shaft is taken into account in the design.\u003c\/p\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eSuitable for Vespa PK S Automatic 125, built between 1984 and 1989. The assignment refers to this vehicle and the complete year range mentioned.\u003c\/p\u003e\u003ch3\u003eInstructions for use\u003c\/h3\u003e\u003cp\u003eThe crankshaft comes with special nuts. The product is intended exclusively for racing in specially designated locations in accordance with the regulations of the relevant sports authorities. When selecting and installing, the dimensions mentioned and the design for the rotating valve inlet must be taken into account.\u003c\/p\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57272697979206,"sku":"MGT1-PWB-56147-1147932","price":465.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1147932-1_f3336c07-7181-49ba-9891-259b657d3428.jpg?v=1788626597","url":"https:\/\/motorize.uk\/products\/vespa-pk-s-automatic-125-1984-1989-crankshaft-with-pin-o-15-connecting-rod-97-stroke-51-mm-and-rotating-valve-and-cone-o-20","provider":"Motorize","version":"1.0","type":"link"}