{"product_id":"quicksilver-dfi-2-stroke-outboard-oil-1-gallon-8m0229799-for-mercury-mariner-optimax-low-smoke-deposit-control","title":"Quicksilver DFI 2-Stroke Outboard Oil 1 Gallon — 8M0229799 for Mercury\/Mariner OptiMax, Low Smoke \u0026 Deposit Control","description":"\u003cp\u003e\u003cstrong\u003eQuicksilver 8M0229799 is a dedicated direct-injection 2-stroke outboard oil formulated to protect DFI Mercury\/Mariner\/OptiMax engines while reducing smoke and carbon buildup.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned by the marine industry leader, this one-gallon Quicksilver oil meets the lubrication needs of modern direct-injection (DFI) 2-stroke outboards. It blends targeted additives and base oils to deliver improved lubricity, corrosion resistance, and deposit control specifically for Mercury, Mariner and OptiMax DFI platforms. Use it when your engine manufacturer lists 8M0229799 or specifies a DFI 2-stroke oil for optimal compatibility and performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect direct-injection 2-stroke outboards?\u003c\/h3\u003e\n\u003cp\u003eThe formula prioritizes wear reduction and corrosion protection for components exposed to fuel, combustion byproducts and seawater. Special additives enhance the lubricating film, lower friction and help keep metal surfaces clean to extend part life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced anti-wear additives reduce scuffing on crankpins and bearings.\u003c\/li\u003e\n  \u003cli\u003eCorrosion inhibitors shield internal parts from saltwater and moist air.\u003c\/li\u003e\n  \u003cli\u003eImproved lubricity supports stable oil film at high engine speeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil help cut exhaust smoke and deposits?\u003c\/h3\u003e\n\u003cp\u003eYes—this Quicksilver DFI oil is formulated to minimize smoke and limit carbon deposit formation in the combustion chamber. Cleaner combustion areas help maintain consistent power and smoother throttle response over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDetergent and dispersant chemistry reduces combustion chamber deposits.\u003c\/li\u003e\n  \u003cli\u003eCombustion-friendly formulation lowers visible exhaust smoke.\u003c\/li\u003e\n  \u003cli\u003eHelps keep reed valves, injectors and ports cleaner for sustained performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engines and situations is part number 8M0229799 intended for?\u003c\/h3\u003e\n\u003cp\u003eThis product is recommended where manufacturers call for a direct-injection 2-stroke oil compatible with Mercury\/Mariner\/OptiMax DFI systems. It’s tailored for both routine service and higher-demand boating conditions like towing, frequent acceleration, and long runs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect injection (DI\/DFI) Mercury and Mariner 2-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eOptiMax engines requiring manufacturer-approved DFI oil.\u003c\/li\u003e\n  \u003cli\u003eUse in recreational, commercial or heavy-use boating where DFI oil is specified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store this one-gallon container?\u003c\/h3\u003e\n\u003cp\u003eUse the oil according to your engine’s service interval and manufacturer recommendations—mixing is not required for DFI systems that meter oil separately. Store the sealed container upright in a cool, dry place away from direct sunlight and heat to preserve additive stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow engine owner manual for oil change intervals and quantities.\u003c\/li\u003e\n  \u003cli\u003eKeep the cap tight and avoid contamination during refills.\u003c\/li\u003e\n  \u003cli\u003eDispose of used oil through approved recycling or waste facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Quicksilver 8M0229799 is aimed at boat owners, marine technicians and fleet operators running Mercury, Mariner or OptiMax DFI 2-stroke outboards who want OEM-level compatibility and protection. Choose this oil if you need a manufacturer-recommended DFI lubricant that reduces smoke, controls deposits, and supports long-term engine durability without compromising performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oil suitable for all 2-stroke outboards?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use for direct-injection (DFI) Mercury\/Mariner\/OptiMax outboards; check your owner manual for specific approvals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change this oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your engine manufacturer’s service schedule; intervals vary by use, load and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":55170137063767,"sku":"B000XBMD2E","price":106.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/quicksilver-8m0229799-front-gallon.jpg?v=1790423838","url":"https:\/\/britishgarage.co.uk\/products\/quicksilver-dfi-2-stroke-outboard-oil-1-gallon-8m0229799-for-mercury-mariner-optimax-low-smoke-deposit-control","provider":"British Garage","version":"1.0","type":"link"}