{"product_id":"mgt1-pwb-40226-1093696002","title":"Yamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons","description":"\u003ch2\u003eWÖSSNER Pro Series forged pistons for Yamaha SR 500\u003c\/h2\u003e\n\u003cp\u003eThe WÖSSNER Pro Series forged piston is designed as a forged aluminum piston with standard piston compression. The defined dimensions and technical characteristics support a targeted selection of the intended engine structure of the Yamaha SR 500.\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\/1093696002-1_d0eac211-4634-49ca-91bd-cb7b6ba48fc9.jpg?v=1788431779\" alt=\"Yamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons – 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\"\u003eYamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons – product view\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003ch3\u003eTechnical features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli\u003ePiston compression: standard\u003c\/li\u003e\n\u003cli\u003eDiameter Ø: 87.43 mm\u003c\/li\u003e\n\u003cli\u003eLetter oversize: 050\u003c\/li\u003e\n\u003cli\u003eOversize: +0.05\u003c\/li\u003e\n\u003cli\u003eBore diameter: 87.50 mm\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 9.9:1\u003c\/li\u003e\n\u003cli\u003eRings Quantity: 3\u003c\/li\u003e\n\u003cli\u003eStroke: 4T\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\n\u003cp\u003eThe forged piston is intended for the Yamaha SR 500 from the full model year range 1978-1989. The assignment refers exclusively to this model and this year of manufacture.\u003c\/p\u003e\n\u003ch3\u003eSelection based on dimensional data\u003c\/h3\u003e\n\u003cp\u003eThe diameter of 87.43 mm, the bore diameter of 87.50 mm and the marking of the oversize with 050 and +0.05 are particularly relevant for the technical selection. The compression ratio is 9.9:1. The version with three rings and the designation “4T” on the stroke complements the key technical data of the piston.\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\/1093696002-2_48b9ec2e-e2a1-4df1-ad84-45a142287c29.jpg?v=1788431779\" alt=\"Yamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons – 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\"\u003eYamaha SR 500 [1978-1989] - WÖSSNER Pro Series forged pistons – detailed view\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57251243262278,"sku":"MGT1-PWB-40226-1093696002","price":298.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1093696002-1_d0eac211-4634-49ca-91bd-cb7b6ba48fc9.jpg?v=1788431779","url":"https:\/\/motorize-shop.com\/products\/yamaha-sr-500-1978-1989-wossner-pro-series-forged-pistons-1","provider":"Motorize","version":"1.0","type":"link"}