{"product_id":"crankshaft-main-bearing-for-sea-doo-rxt-xrs-300-1630-2017-2022","title":"Crankshaft Main Bearing for Sea-Doo RXT XRS 300 1630 2017-2022","description":"\u003ch2\u003eCrankshaft Main Bearing for Sea-Doo RXT XRS 300 1630\u003c\/h2\u003e\u003cp\u003eThis crankshaft main bearing is a replacement engine component for the Sea-Doo RXT XRS 300 1630, supporting the crankshaft inside the crankcase to keep rotation smooth and properly aligned.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe crankshaft main bearing for Sea-Doo RXT XRS 300 1630 is a precision-fit engine part that carries crankshaft load within the crankcase. It maintains correct oil clearance and alignment so the rotating assembly performs reliably under boost and high RPM. This crankshaft main bearing fits owners and rebuilders servicing the 1630 platform.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed to carry crankshaft radial loads within the 1630 engine crankcase\u003c\/li\u003e\n\u003cli\u003ePrecision sizing supports correct oil clearance for consistent bearing lubrication\u003c\/li\u003e\n\u003cli\u003eDesigned for the Sea-Doo 1630 three-cylinder supercharged engine architecture\u003c\/li\u003e\n\u003cli\u003eBearing surface geometry helps reduce friction between crankshaft and journal\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for the crankshaft main bearing position\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo RXT 300 1630 (2017-2022)\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo XRS 300 1630 (2017-2022)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilds and bottom-end refreshes on the 1630 platform\u003c\/li\u003e\n\u003cli\u003eCrankshaft service and bearing replacement during teardown\u003c\/li\u003e\n\u003cli\u003eRestoring proper main bearing clearance after wear is found\u003c\/li\u003e\n\u003cli\u003eMarine PWC maintenance on Sea-Doo RXT and XRS 300 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft Main Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2017-2022\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Models\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003efor Sea-Doo RXT 300, XRS 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to verify clearance when installing this main bearing? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, main bearing oil clearance should be checked with a plastigauge or micrometer during assembly to confirm it matches engine specification. Always measure before final torque on the crankcase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can I replace just one main bearing? \u003cstrong\u003eA:\u003c\/strong\u003e It is generally best to replace main bearings as a set when the engine is apart so wear stays consistent across journals. Inspect all bearing surfaces and the crankshaft journals before reassembly.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51065781387350,"sku":"OO1C08535","price":35.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_5b0bc3eb-3b2a-43a6-b6b2-da76e515db1f.jpg?v=1794394793","url":"https:\/\/www.solidspare.com\/products\/crankshaft-main-bearing-for-sea-doo-rxt-xrs-300-1630-2017-2022","provider":"Solid Spare","version":"1.0","type":"link"}