{"product_id":"mgt1-pwb-40235-1093696006","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\u003cp\u003eThe WÖSSNER Pro Series forged piston is designed for the Yamaha SR 500 in the full year range from 1978 to 1989. As a forged aluminum piston, it has standard piston compression and is intended for a 4T engine.\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\/1093696006-1_3f97c968-cea3-49cd-9d5a-cde8650fcf59.jpg?v=1788431942\" 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\u003ch3\u003eTechnical features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003ePiston compression: standard\u003c\/li\u003e\n\u003cli\u003eDiameter Ø: 89.93 mm\u003c\/li\u003e\n\u003cli\u003eBore diameter: 90.00 mm\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 10.41:1\u003c\/li\u003e\n\u003cli\u003eRings Quantity: 3\u003c\/li\u003e\n\u003cli\u003eStroke: 4T\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eExcess and selection\u003c\/h3\u003e\u003cp\u003eThe piston is marked with the letter oversize 300 and has an oversize of +3.00. The specified bore diameter is 90.00 mm. These values ​​support targeted selection based on the intended cylinder bore and the technical engine design.\u003c\/p\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eSuitable for the Yamaha SR 500, built between 1978 and 1989. The assignment applies to this entire year range.\u003c\/p\u003e\u003ch3\u003eFactual note\u003c\/h3\u003e\u003cp\u003eBefore making a selection, the bore diameter of 90.00 mm, the compression ratio of 10.41:1 and the 4T piston design must be compared with the existing engine configuration.\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\/1093696006-2_7ee0b063-4616-459a-a517-2d549213c377.jpg?v=1788431942\" 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":57251328721222,"sku":"MGT1-PWB-40235-1093696006","price":308.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1093696006-1_3f97c968-cea3-49cd-9d5a-cde8650fcf59.jpg?v=1788431942","url":"https:\/\/motorize-shop.com\/products\/yamaha-sr-500-1978-1989-wossner-pro-series-forged-pistons-4","provider":"Motorize","version":"1.0","type":"link"}