{"product_id":"yamaha-piston-std-6bh-11631-00-b0","title":"Yamaha - Piston (Std) - 6BH-11631-00-B0","description":"\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eYamaha Piston (Std) – 6BH-11631-00-B0\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3 class=\"disclosure__title h5 mb-0\"\u003e\u003cspan\u003eGenuine OEM Standard Piston for Reliable Yamaha Outboard Engine Performance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Yamaha - Piston (Std) - 6BH-11631-00-B0 is a factory-original standard-size piston designed to deliver precise fit and high-performance reliability for Yamaha outboard engines. Whether you're replacing a worn component or completing a full engine rebuild, this part offers the accuracy, strength, and longevity expected from genuine Yamaha parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBuilt to exact OEM specs, this piston helps restore compression and maintain consistent combustion, supporting the performance and durability your Yamaha motor was engineered to deliver.\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\u003eStandard-Sized OEM Fit\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDesigned to match the factory bore size—ideal for direct replacement with no machining required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDurable Construction\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngineered using Yamaha-approved materials for lasting performance in marine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMaintains Engine Balance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSupports proper crankshaft movement and optimal power output.\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: 6BH-11631-00-B0\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCompatible with select Yamaha outboard engine models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAlways confirm fitment using your engine’s service manual or official parts catalog.\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\u003eOEM Replacements\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eReplace old or damaged pistons without modifying the cylinder bore.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eEngine Maintenance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHelps maintain compression and combustion efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePerformance Restoration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRestores smooth operation and reduces vibration or power loss in marine engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eWhy Use a Genuine Yamaha Piston?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAftermarket parts often fail to meet the tight tolerances Yamaha outboards require. The Yamaha - Piston (Std) - 6BH-11631-00-B0 is precision-machined to maintain engine integrity and avoid uneven wear, poor fuel efficiency, or premature failure. It’s your best choice when rebuilding or repairing your engine for dependable results.\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\u003eIs this piston ready to install in a standard bore cylinder?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYes, this is a standard-size piston and does not require cylinder reboring if your current bore is within factory spec.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHow do I verify that this part fits my outboard engine?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCheck your engine’s model number against Yamaha’s official parts catalog or consult your service manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eShould I replace the piston rings along with the piston?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eAbsolutely. Installing new rings ensures proper compression and prevents blow-by or oil consumption.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yamaha","offers":[{"title":"Default Title","offer_id":52073068953891,"sku":"6BH-11631-00-B0","price":138.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/IMG_8997.jpg?v=1752153908","url":"https:\/\/partsvu.com\/en-au\/products\/yamaha-piston-std-6bh-11631-00-b0","provider":"PartsVu","version":"1.0","type":"link"}