{"product_id":"yamaha-genuine-rd350lc-rz350-ypvs-standard-piston-31k-11631-00-94","title":"Yamaha Genuine RD350LC \/ RZ350 YPVS Standard Piston 31K-11631-00-94","description":"\u003cp\u003e\u003cimg\u003e\u003cimg\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0899\/5009\/3636\/files\/download.png?v=1736759431\" alt=\"Yamaha Genuine OEM\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cb data-path-to-node=\"3\" data-index-in-node=\"0\"\u003eProduct Description\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cspan\u003eBrand new official Yamaha factory selective-grade standard piston designed for legendary two-stroke liquid-cooled parallel-twin engine overhauls.\u003c\/span\u003e\u003cspan\u003e Precision-cast from advanced high-temperature aluminum alloy to exact factory sorting specifications (-94 selective grade),\u003c\/span\u003e\u003cspan\u003e engineered to deliver precise piston-to-wall clearance,\u003c\/span\u003e\u003cspan\u003e maximum compression retention,\u003c\/span\u003e\u003cspan\u003e and superior reliability under demanding high-rpm street and track riding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"0\"\u003eVehicle Compatibility\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cspan\u003eEngineered explicitly for \u003c\/span\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"26\"\u003eYamaha classic liquid-cooled two-stroke parallel-twin sports platforms\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cspan\u003eVerified catalog fitment layout:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"8\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type \/ Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,0,0\"\u003e\u003cb data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\"\u003eYamaha\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,1,0\"\u003eRZ350 \/ RZ350C \/ RZ350II (US \/ Global)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,2,0\"\u003e350cc (Liquid-Cooled 2-Stroke Parallel-Twin YPVS)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,3,0\"\u003e1984–1985\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,0,0\"\u003e\u003cb data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\"\u003eYamaha\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003eRD350LC \/ RD350F YPVS (Europe)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,2,0\"\u003e350cc (Liquid-Cooled 2-Stroke Parallel-Twin YPVS)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,3,0\"\u003e1983–1985\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"9\"\u003e \u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eFitment \u0026amp; Technical Details\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cspan\u003eVerify the cylinder bore stamping code to match the correct selective piston grade (-94 sizing tier) for optimal running clearance.\u003c\/span\u003e\u003cspan\u003e Measure ring end gaps and piston-to-cylinder wall clearance strictly to factory service manual specifications prior to assembly.\u003c\/span\u003e\u003cspan\u003e Liberally lubricate the small-end needle bearing,\u003c\/span\u003e\u003cspan\u003e wrist pin,\u003c\/span\u003e\u003cspan\u003e and cylinder walls with high-grade two-stroke pre-mix or injection oil before final installation.\u003c\/span\u003e\u003ci data-path-to-node=\"10\" data-index-in-node=\"420\"\u003eVerification:\u003c\/i\u003e\u003cspan\u003e Piston glides effortlessly through the cylinder bore with exact factory-specified clearance,\u003c\/span\u003e\u003cspan\u003e ensuring optimal ring sealing,\u003c\/span\u003e\u003cspan\u003e reduced mechanical friction,\u003c\/span\u003e\u003cspan\u003e and maximum thermal endurance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePlease ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!\u003c\/p\u003e\n\u003cp\u003eAt\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDmmotorcycles\u003c\/strong\u003e, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003egenuine\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand high-quality\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eaftermarket\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eparts and continually update our inventory to meet growing demand.\u003c\/p\u003e\n\u003cp\u003eLooking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.\u003c\/p\u003e\n\u003cp\u003eWe’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.\u003c\/p\u003e\n\u003cp\u003ePlease note:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll parts are shipped from Cyprus (Europe).\u003c\/li\u003e\n\u003cli\u003eCustomers outside the EU may incur additional import taxes based on the value of the item.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":54207451103556,"sku":"EB-296955313762","price":154.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/5009\/3636\/files\/57_9361b0fd-3202-45de-9035-239498915a82.jpg?v=1738833974","url":"https:\/\/www.dm-motorcycles.com\/products\/yamaha-genuine-rd350lc-rz350-ypvs-standard-piston-31k-11631-00-94","provider":"www.dm-motorcycles.com","version":"1.0","type":"link"}