{"product_id":"yamaha-metal-crank-0-4-yf1-52612-39-20","title":"Yamaha - METAL, CRANK (-0.4) - YF1-52612-39-20","description":"\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eYamaha Metal, Crank (-0.4) – YF1-52612-39-20\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003ePrecision Engine Component for Optimal Crankshaft Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMaintain peak engine performance with the Yamaha - METAL, CRANK (-0.4) - YF1-52612-39-20, a genuine Yamaha crankshaft bearing designed for engines requiring a -0.4 mm undersize. This crank bearing ensures the correct oil clearance, supporting proper lubrication and smooth crankshaft rotation during high-stress marine operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCrafted to Yamaha's OEM standards, this component delivers the durability and precision required for reliable engine rebuilds or maintenance. If your engine's crank journal has been machined undersize, this part provides the exact fit and support needed for safe, efficient performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOEM Yamaha Quality: Designed to match factory specifications for a perfect fit and function.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e-0.4 mm Undersize Bearing: Ideal for crankshafts that have been ground to an undersized diameter.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEnhanced Lubrication Support: Maintains critical oil clearance for reduced friction and engine wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDurable Construction: Made from high-strength materials to withstand heat and rotational forces.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eCompatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePart Number: YF1-52612-39-20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUndersize Spec: (-0.4)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngine Type: Confirm with your Yamaha engine service manual or technician to verify undersize crank requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eIdeal Use Cases\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngine Rebuilds After Crankshaft Grinding: For engines with journals ground 0.4 mm undersize.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMaintenance of Older Outboards: Restores bearing support to meet factory specs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePrecision Performance Tuning: Ensures longevity and smooth operation during high RPM use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWhy Bearing Size Accuracy Matters\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eChoosing the correct crankshaft bearing size is crucial for engine longevity. A misfit can lead to poor oil pressure, increased wear, and premature failure. The Yamaha - METAL, CRANK (-0.4) - YF1-52612-39-20 is designed for precise oil film support in undersized crank journal applications, helping your Yamaha engine run smoother and last longer.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHow do I know if I need a -0.4 mm crank bearing?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYou’ll need a -0.4 bearing if your crankshaft journals have been machined to that undersize. This is typically confirmed during engine teardown or machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eIs this an OEM part from Yamaha?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYes, this is a genuine Yamaha replacement part, ensuring a reliable fit and long-lasting performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eCan I install this bearing without professional tools?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt’s strongly recommended that crankshaft bearings be installed by a qualified marine technician to ensure proper alignment and clearance.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":46932546814243,"sku":"YF1-52612-39-20","price":44.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV426162.jpg?v=1698779917","url":"https:\/\/partsvu.com\/en-ca\/products\/yamaha-metal-crank-0-4-yf1-52612-39-20","provider":"PartsVu","version":"1.0","type":"link"}