{"product_id":"crankshaft-main-bearing-for-sea-doo-gtx-std-300-1630-2021-2026","title":"Crankshaft Main Bearing for Sea-Doo GTX STD 300 1630 2021-2026","description":"\u003ch2\u003eCrankshaft Main Bearing for Sea-Doo GTX STD 300 1630\u003c\/h2\u003e\u003cp\u003eThis crankshaft main bearing is a replacement engine component that supports the crankshaft inside the 1630cc Rotax engine used in the Sea-Doo GTX STD 300, helping maintain proper alignment and smooth rotation under load.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis crankshaft main bearing is built to support the crankshaft in the 1630cc engine found in the Sea-Doo GTX STD 300. The crankshaft main bearing helps hold the crank in position so it spins true through the full rpm range. It is intended for riders and mechanics replacing worn bearings during a rebuild or top-to-bottom engine service.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSupports the crankshaft to keep rotation true and centered\u003c\/li\u003e\n\u003cli\u003eDesigned for the 1630cc Rotax engine platform\u003c\/li\u003e\n\u003cli\u003eHelps reduce vibration and bearing play under load\u003c\/li\u003e\n\u003cli\u003eSuits rebuild, refresh, and service work\u003c\/li\u003e\n\u003cli\u003eBuilt from bearing-grade materials for marine use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo GTX STD 300 1630, 2021-2026\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo GTX STD 230 1630, 2020-2026\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCrankshaft rebuilds on 1630cc personal watercraft engines\u003c\/li\u003e\n\u003cli\u003eBearing replacement during engine teardown\u003c\/li\u003e\n\u003cli\u003eRoutine service to restore smooth crank rotation\u003c\/li\u003e\n\u003cli\u003eShop and home garage rebuild projects\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\u003e1630cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo GTX STD 300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2021-2026\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 How many bearings do I need for a full service? \u003cstrong\u003eA:\u003c\/strong\u003e The quantity required depends on your engine configuration, so count the main bearing positions in your 1630cc crankcase before ordering. Many rebuilders replace all main bearings at once to keep wear even.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to measure clearances during install? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, crankshaft main bearings should be checked for running clearance with a suitable gauge before assembly. Confirm the spec in your service manual for the exact engine and year.\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":51065796788310,"sku":"OO1C08576","price":35.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_9b18181a-6345-4da3-8e3d-14c4c761712d.jpg?v=1794394829","url":"https:\/\/www.solidspare.com\/products\/crankshaft-main-bearing-for-sea-doo-gtx-std-300-1630-2021-2026","provider":"Solid Spare","version":"1.0","type":"link"}