{"product_id":"mercury-300-hp-f300-l-xl-cxl-xxl-cms-4-zamanli-distan-takma-uzun-saft-deniz-motoru","title":"Mercury 300 HP Long Shaft Outboard Motor with Electric Start, Steering, and Power Trim and Tilt","description":"\u003cp\u003eThe Mercury \u003cstrong\u003eFourStroke 300 L\u003c\/strong\u003e is a 4-stroke outboard marine engine designed for medium to large fiberglass, aluminum, or composite boats requiring a long shaft, featuring a 300 HP \/ 221 kW, 4600 cc V8 (8-cylinder) engine. With its 4600 cc V8 EFI FourStroke engine, the FourStroke 300 L offers a balance of high power and fuel efficiency for larger boats. This model, part of Mercury's main production line, stands out with its extensive service network and reliability advantages.\u003c\/p\u003e\n\n\u003ch2\u003eFourStroke 300 L Series Features and Technology Advantages\u003c\/h2\u003e\n\u003cp\u003eThe V8 engine delivers high torque at low RPMs and stable power at high RPMs, thanks to its wide power band and EFI electronic injection. The stainless steel propeller and external fuel system are suitable for large boat use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eV8 (8-Cylinder) Engine (4600 cc):\u003c\/strong\u003e The V8 engine delivers high torque at low RPMs and stable power at high RPMs, thanks to its wide power band and EFI electronic injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Shaft (508 mm (20\")):\u003c\/strong\u003e The propeller operates at an optimal depth with the correct transom height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEFI Electronic Injection:\u003c\/strong\u003e Easy cold starts and consistent power output across the entire RPM range.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eElectric Start:\u003c\/strong\u003e Instant activation with a key or button — comfortable and fast starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Trim and Tilt (Power Trim \u0026amp; Tilt):\u003c\/strong\u003e Adjusting the trim angle with a button during cruising — optimizes fuel efficiency; fully raising the engine with tilt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Fuel System (Floating):\u003c\/strong\u003e Connection to a large capacity external tank — range determined by user needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLong Shaft — What Boat Type Is It Suitable For?\u003c\/h2\u003e\n\u003cp\u003eA long shaft (508 mm (20\")) is suitable for the vast majority of inflatable boats, aluminum, and fiberglass boat models. For boats with a transom height of 381 mm, a short shaft model should be preferred.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300 HP \/ 221 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4600 cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV8 (8 Cylinders)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-stroke, 64° V8 block, DOHC, 32 valves, EFI electronic fuel injection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLong Shaft \/ 508 mm (20\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGear System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eF – N – R (Forward \/ Neutral \/ Reverse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStarting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrim System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectric Trim and Tilt (Power Trim \u0026amp; Tilt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal floating system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (Dry)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e239 KG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCMS Mechanical Throttle Lever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFourStroke 300 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho Is This Engine For?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary engine for large fiberglass and composite boats:\u003c\/strong\u003e high power and stainless steel propeller combination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-distance offshore routes:\u003c\/strong\u003e EFI efficiency and external fuel system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual engine configuration:\u003c\/strong\u003e synchronized power with engines of the same series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFishing and cruising use:\u003c\/strong\u003e low maintenance costs and extensive service network.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMaintenance and Longevity\u003c\/h2\u003e\n\u003cp\u003eMercury 4-stroke engines run smoothly for many years with regular oil changes and end-of-season maintenance protocols. The impeller of the water-cooled system should be checked every 100 hours or every two seasons. In saltwater use, freshwater flushing is mandatory after each use.\u003c\/p\u003e\n\u003cp\u003eRelated maintenance categories: \u003ca href=\"\/en-us\/collections\/bakim-kiti\"\u003eMaintenance Kit\u003c\/a\u003e | \u003ca href=\"\/en-us\/collections\/motor-yagi\"\u003eEngine Oil\u003c\/a\u003e | \u003ca href=\"\/en-us\/collections\/impeller\"\u003eImpeller\u003c\/a\u003e | \u003ca href=\"\/en-us\/collections\/mercury-yedek-parca\"\u003eMercury Spare Parts\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat boat size is the Mercury FourStroke 300 HP engine suitable for?\u003c\/h3\u003e\n\u003cp\u003e300 HP can suit various sizes depending on the boat's weight and type. General rule: 15–20 kg boat weight per HP. Always check the maximum engine power recommended by the boat manufacturer.\u003c\/p\u003e\n\n\u003ch3\u003eWhat advantages does the EFI system offer compared to a carbureted engine?\u003c\/h3\u003e\n\u003cp\u003eEFI (Electronic Fuel Injection) does not require a primer pump or choke adjustment. It provides reliable starting in cold weather and high altitudes, consistent power output, and lower fuel consumption compared to carbureted alternatives.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the maintenance intervals for Mercury FourStroke?\u003c\/h3\u003e\n\u003cp\u003eOil change at the first 20 hours, then oil change every 100 hours or once a season. Impeller check every two seasons. In saltwater use, freshwater flushing is mandatory after each use. End-of-season fuel system protection is recommended.\u003c\/p\u003e\n\n\u003ch3\u003eWhich boat and inflatable boat brands is the FourStroke 300 L compatible with?\u003c\/h3\u003e\n\u003cp\u003eMercury outboard motors are compatible with many fiberglass, aluminum, and inflatable boat models thanks to their universal transom clamp or transom mounting system. The only criteria are your boat's transom height of 508 mm (20\") and the maximum engine power approved by the manufacturer. You can get compatibility confirmation from Clever Marin by sharing your boat model.\u003c\/p\u003e\n\n\u003ch2\u003eRelated Products and Categories\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/mercury-distan-takma-motorlar\"\u003eMercury Outboard Motors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/mercury-urunleri\"\u003eMercury Marine Products\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/mercury-yedek-parca\"\u003eMercury Spare Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/fourstroke-175-300-hp\"\u003eMercury 175–300 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/fourstroke-75-150hp-motorlar\"\u003eMercury 75–150 HP FourStroke\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/distan-takma-motorlar\"\u003eOutboard Motors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/tekne-motorlari\"\u003eBoat Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/bakim-kiti\"\u003eMaintenance Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/impeller\"\u003eImpeller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/anot\"\u003eAnode\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIs This the Right Configuration for Your Boat?\u003c\/h2\u003e\n\u003cp\u003eShare your boat model, transom height, and intended use — let's confirm together if the Mercury \u003cstrong\u003eFourStroke 300 L\u003c\/strong\u003e engine is suitable for your boat and ensure the correct shaft selection.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46237628465349,"sku":null,"price":1508999.99,"currency_code":"TRY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/9332\/8581\/files\/mercury-f300-l-xl-cxl-xxl-cms-uzun-extra-uzun-ultra-uzun-saft-distan-takma-deniz-motoru-f300cms.jpg?v=1765271618","url":"https:\/\/clevermarin.com\/en-us\/products\/mercury-300-hp-f300-l-xl-cxl-xxl-cms-4-zamanli-distan-takma-uzun-saft-deniz-motoru","provider":"CLEVER MARIN","version":"1.0","type":"link"}