{"product_id":"mercury-racing-300r-v8-r300-l-xl-cxl-hd-ams-4-zamanli-yuksek-performans-uzun-extra-uzun-saft-distan-takma-deniz-motoru","title":"Mercury 300 HP Racing V8 Outboard Engine with Electro-Hydraulic Steering, Trim, Tilt, and Ultra-Long Shaft","description":"\u003cp\u003eThe Mercury \u003cstrong\u003eRacing 300 XXL\u003c\/strong\u003e is a 4-stroke outboard marine engine designed for high-speed performance boats, race boats, and offshore sport boats that require an ultra-long shaft. It features a 300 HP \/ 224 kW and 4600 cc V8 (8-cylinder) engine. The Racing series is Mercury's high-performance outboard engine group. With a naturally aspirated high-performance engine and Racing ECU calibration, maximum power and speed are targeted.\u003c\/p\u003e\n\n\u003ch2\u003eRacing 300 XXL Series Features and Technology Advantages\u003c\/h2\u003e\n\u003cp\u003eHigh-performance ECU calibration extends the optimal power band compared to standard FourStroke engines. Precise maneuver control at high speeds is ensured with AMS electro-hydraulic steering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eV8 (8-Cylinder) Engine (4600 cc):\u003c\/strong\u003e High-performance ECU calibration extends the optimal power band compared to standard FourStroke engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Long Shaft (635 mm (25\")):\u003c\/strong\u003e The propeller operates at optimal depth at the correct transom height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance ECU:\u003c\/strong\u003e Extended power band with Racing calibration\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eElectric Start:\u003c\/strong\u003e Instant activation with key or button — comfortable and quick starting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Trim \u0026 Tilt (Power Trim \u0026 Tilt):\u003c\/strong\u003e Adjust trim angle with a button while cruising — fuel efficiency optimization; fully raise the engine with tilt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloating External Fuel System:\u003c\/strong\u003e Connection for large capacity external tank — range determined by user needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUltra-Long Shaft — Which Boat Type Is It Suitable For?\u003c\/h2\u003e\n\u003cp\u003eThe ultra-long shaft (635 mm (25\")) keeps the propeller at an optimal depth in large yachts and professional boats with deep transom designs. Incorrect shaft selection will leave the propeller out of the water or scrape the bottom — measure the transom height before installation.\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 \/ 224 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplacement\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, High-Performance V8, DOHC, 32 valves, Naturally Aspirated, Racing ECU Calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUltra-Long Shaft \/ 635 mm (25\")\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 \u0026 Tilt (Power Trim \u0026 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\u003e232 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\u003eTiller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRacing 300 XXL\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\u003eHigh-speed performance boat:\u003c\/strong\u003e Maximum speed with Racing performance configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffshore race and sport boat:\u003c\/strong\u003e Precise maneuvering at high speeds with AMS electro-hydraulic system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-engine speed-oriented configuration:\u003c\/strong\u003e Coordinated power with DTS synchronization\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed record and sport performance goals:\u003c\/strong\u003e Mercury Racing engineering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMaintenance and Longevity\u003c\/h2\u003e\n\u003cp\u003e4-stroke Mercury engines operate trouble-free 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\u003eWhich boat type is the Mercury Racing 300 HP engine suitable for?\u003c\/h3\u003e\n\u003cp\u003eThe Racing series, with 300 HP, is developed for speed-oriented performance boats. It provides maximum performance in offshore race boats, catamarans, and high-speed sport boats. Weight optimization and power density are priorities for this segment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the High-Performance Mercury Racing engine work?\u003c\/h3\u003e\n\u003cp\u003eThe high-performance ECU uses different injection timing and ignition maps compared to standard FourStroke engines. The power band is optimized for high RPMs.\u003c\/p\u003e\n\n\u003ch3\u003eHow is the Racing series maintained?\u003c\/h3\u003e\n\u003cp\u003eRacing engines require a special maintenance protocol suitable for high-performance use. Beginning-of-season and end-of-season services should be carried out at authorized Mercury service centers. Oil quality and change intervals may be more frequent than for standard FourStroke engines.\u003c\/p\u003e\n\n\u003ch3\u003eWhich boat and brand are compatible with the Racing 300 XXL?\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 635 mm (25\") transom height and the maximum engine power approved by the manufacturer. You can confirm compatibility with 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\/racing-150-300-hp\"\u003eMercury Racing 150–300 HP\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-us\/collections\/racing-350-500-hp\"\u003eMercury Racing 350–500 HP\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 It the Right Configuration for Your Boat?\u003c\/h2\u003e\n\u003cp\u003eShare your boat model, transom height, and intended use — let's verify the suitability of the Mercury \u003cstrong\u003eRacing 300 XXL\u003c\/strong\u003e engine for your boat and select the correct shaft together.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45476837556421,"sku":null,"price":1950499.99,"currency_code":"TRY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/9332\/8581\/files\/mercury-racing-300r-v8-r300-l-xl-cxl-hd-ams-uzun-extra-uzun-saft-distan-takma-deniz-motoru-r300hd.jpg?v=1765271622","url":"https:\/\/clevermarin.com\/en-us\/products\/mercury-racing-300r-v8-r300-l-xl-cxl-hd-ams-4-zamanli-yuksek-performans-uzun-extra-uzun-saft-distan-takma-deniz-motoru","provider":"CLEVER MARIN","version":"1.0","type":"link"}