{"product_id":"mgt1-pwb-55471-1147068","title":"Vespa Vespa 150 [1977-1981] - racing clutch with Z23 sprocket with helical teeth","description":"\u003ch2\u003ePOLINI racing clutch with Z23 pinion for Vespa 150\u003c\/h2\u003e\u003cp\u003eThe POLINI HT clutch is designed for racing use and combines reverse functionality with variable coordination of the clutch and primary drive. Unlike a traditional design, the part connected to the crankshaft is the inner hub and not the outer bell. This enables the power transmission to be designed to suit the intended purpose.\u003c\/p\u003e\u003cfigure style=\"margin:32px 0;text-align:center\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1147068-1_3f078124-7fcc-404f-9db6-102a9cbbfdea.jpg?v=1788618901\" alt=\"Vespa Vespa 150 [1977-1981] - racing clutch with ring gear Z23 pinion with helical teeth - product view\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;border-radius:12px\"\u003e\u003cfigcaption style=\"margin-top:8px;color:#666;font-size:14px\"\u003eVespa Vespa 150 [1977-1981] - racing clutch with ring gear Z23 pinion with helical teeth - product view\u003c\/figcaption\u003e\u003c\/figure\u003e\u003ch3\u003eFunction and construction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePressure plate on thrust bearing for HT clutch design\u003c\/li\u003e\n\u003cli\u003eAluminum bell\u003c\/li\u003e\n\u003cli\u003eCover of the block with oil collecting channel\u003c\/li\u003e\n\u003cli\u003eAluminum discs enlarged by 8 teeth to maximize transmission efficiency\u003c\/li\u003e\n\u003cli\u003eAdjustable clutch spring force\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe clutch allows the choice of primary gearing to adjust the gear ratio. This version uses a Z23 pinion with helical teeth. The POLINI HT clutch can be adapted to different gear ratios by replacing the primary gear. Suitable spare parts from the POLINI catalog make this modification possible.\u003c\/p\u003e\u003ch3\u003eCircuit and area of application\u003c\/h3\u003e\u003cp\u003eThe construction supports precise and smooth gear shifting. The coupling is therefore suitable for applications where adjustable spring force and coordinated primary toothing are required.\u003c\/p\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eSuitable for the Vespa Vespa 150, built between 1977 and 1981. The vehicle assignment refers to this complete year range.\u003c\/p\u003e\u003cfigure style=\"margin:32px 0;text-align:center\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1147068-2_34026131-f89c-4cf3-beaf-e3508b0ee88a.jpg?v=1788618901\" alt=\"Vespa Vespa 150 [1977-1981] - racing clutch with Z23 sprocket with helical teeth - detailed view\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;border-radius:12px\"\u003e\u003cfigcaption style=\"margin-top:8px;color:#666;font-size:14px\"\u003eVespa Vespa 150 [1977-1981] - racing clutch with Z23 sprocket with helical teeth - detailed view\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57271948083526,"sku":"MGT1-PWB-55471-1147068","price":480.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1147068-1_3f078124-7fcc-404f-9db6-102a9cbbfdea.jpg?v=1788618901","url":"https:\/\/motorize-shop.com\/products\/vespa-vespa-150-1977-1981-racing-clutch-with-z23-sprocket-with-helical-teeth","provider":"Motorize","version":"1.0","type":"link"}