{"product_id":"92160-3756-motor-mount-for-kawasaki-js-550-sx-550-js-440-js-400","title":"92160-3756 Motor Mount for Kawasaki JS 550 SX 550 JS 440 JS 400","description":"\u003ch2\u003eCrankshaft Main Bearing for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis crankshaft main bearing is a replacement engine component built to support the crankshaft in Sea-Doo 1630 ACE and 300 series setups, and it cross-references OEM part 21-300.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis crankshaft main bearing is made to carry the rotating load of the crank inside the engine case, keeping the shaft aligned and running true. It is the bearing type selected for Sea-Doo 1630 powerplants found in 300 horsepower watercraft. Riders and mechanics rebuilding a 21-300 engine will find this crankshaft main bearing suited to the job.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCross-references OEM part number 21-300\u003c\/li\u003e\n\u003cli\u003eBuilt to carry radial and axial loads from the crankshaft\u003c\/li\u003e\n\u003cli\u003eHardened bearing surfaces for wear resistance in high RPM marine engines\u003c\/li\u003e\n\u003cli\u003ePrecision tolerances for correct oil clearance and smooth rotation\u003c\/li\u003e\n\u003cli\u003eDesigned around the 1630 ACE three-cylinder platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo 1630 ACE models\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo 300 series watercraft\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo models using the 1630 engine with part 21-300\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCrankcase rebuilds after bottom end bearing failure\u003c\/li\u003e\n\u003cli\u003eTop and bottom end refresh on high-hours 1630 engines\u003c\/li\u003e\n\u003cli\u003eMarine engine machine shop assembly work\u003c\/li\u003e\n\u003cli\u003ePreventive replacement during full engine teardown\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 Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft main\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 ACE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine watercraft engine\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 main bearings does a rebuild usually need? \u003cstrong\u003eA:\u003c\/strong\u003e Main bearings are normally replaced as a full set across the crank, so confirm the count for your specific 1630 engine before ordering. \u003cstrong\u003eQ:\u003c\/strong\u003e Should bearings be replaced together with crank seals? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, seals and gaskets in the same area are typically renewed at the same time to avoid repeat labor.\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":51065745997910,"sku":"OO1C08464","price":35.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_19b0c725-0e6a-442a-a33e-31429b3b1ffe.jpg?v=1794394751","url":"https:\/\/www.solidspare.com\/products\/92160-3756-motor-mount-for-kawasaki-js-550-sx-550-js-440-js-400","provider":"Solid Spare","version":"1.0","type":"link"}