{"product_id":"quicksilver-synthetic-blend-25w40-oil-92-8m0078623","title":"Mercury – 25W-40 Synthetic Blend Oil | Four-Stroke Engine Protection | 8M0078623","description":"\u003cp data-start=\"0\" data-end=\"84\"\u003e\u003cstrong data-start=\"0\" data-end=\"84\"\u003eMercury – 25W-40 Synthetic Blend Oil | Four-Stroke Engine Protection | 8M0078623\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"86\" data-end=\"89\"\u003e\n\u003ch3 data-start=\"91\" data-end=\"105\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"106\" data-end=\"543\"\u003eThis 25W-40 synthetic blend is the kind of oil most boaters keep on the shelf because it helps a four-stroke run smoother and last longer. It handles those long days when the engine stays warm for hours, and it doesn’t break down as quickly as lighter blends. Fresh oil like this usually quiets the motor a bit and gives it an easier, more relaxed feel. It’s a steady choice for anyone doing routine service on an outboard or sterndrive.\u003c\/p\u003e\n\u003chr data-start=\"545\" data-end=\"548\"\u003e\n\u003ch3 data-start=\"550\" data-end=\"568\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"569\" data-end=\"963\"\u003e • \u003cstrong data-start=\"572\" data-end=\"597\"\u003eFour-Stroke Formula –\u003c\/strong\u003e Blended for the everyday demands of marine engines.\u003cbr data-start=\"649\" data-end=\"652\"\u003e • \u003cstrong data-start=\"655\" data-end=\"687\"\u003eSynthetic Blend Protection –\u003c\/strong\u003e Helps reduce wear and fights internal corrosion.\u003cbr data-start=\"736\" data-end=\"739\"\u003e • \u003cstrong data-start=\"742\" data-end=\"764\"\u003eStable Viscosity –\u003c\/strong\u003e Holds up during warm operating temps and long runs.\u003cbr data-start=\"816\" data-end=\"819\"\u003e • \u003cstrong data-start=\"822\" data-end=\"840\"\u003e25W-40 Grade –\u003c\/strong\u003e Good balance for cold starts and higher-load cruising.\u003cbr data-start=\"895\" data-end=\"898\"\u003e • \u003cstrong data-start=\"901\" data-end=\"924\"\u003eOne-Gallon Bottle –\u003c\/strong\u003e The right amount for most oil changes.\u003c\/p\u003e\n\u003chr data-start=\"965\" data-end=\"968\"\u003e\n\u003ch3 data-start=\"970\" data-end=\"1003\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"1004\" data-end=\"1130\"\u003e • Marine four-stroke engines\u003cbr data-start=\"1033\" data-end=\"1036\"\u003e • Outboard lubrication systems\u003cbr data-start=\"1067\" data-end=\"1070\"\u003e • Sterndrive lubrication systems\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e • High-rpm marine use\u003c\/p\u003e\n\u003chr data-start=\"1132\" data-end=\"1135\"\u003e\n\u003ch3 data-start=\"1137\" data-end=\"1175\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1176\" data-end=\"1576\"\u003eOnce you change the oil, the engine usually settles into a cleaner idle and responds more naturally when you ease into the throttle. It helps keep temps in check, which makes the whole boat feel more relaxed on longer trips. You’re less likely to hear that dry, stressed tone older oil can cause. Over time, using a dependable blend like this keeps wear down and helps the motor hold its performance.\u003c\/p\u003e\n\u003chr data-start=\"1578\" data-end=\"1581\"\u003e\n\u003ch3 data-start=\"1583\" data-end=\"1600\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1601\" data-end=\"1903\"\u003eOEM oil is mixed around what Mercury engines are designed to work with, so the pressure, flow, and temperature behavior stay consistent. It’s built for real marine use—heat, moisture, and modern fuels—so you know the engine is getting the right protection. It just lines up with what the motor expects.\u003c\/p\u003e\n\u003chr data-start=\"1905\" data-end=\"1908\"\u003e\n\u003ch3 data-start=\"1910\" data-end=\"1919\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"1920\" data-end=\"2056\"\u003e\u003cstrong data-start=\"1920\" data-end=\"1971\"\u003eQ1: When should I think about changing the oil?\u003c\/strong\u003e\u003cbr data-start=\"1971\" data-end=\"1974\"\u003eIf the oil looks dark, smells burnt, or you’re near your service hours, it’s time.\u003c\/p\u003e\n\u003cp data-start=\"2058\" data-end=\"2145\"\u003e\u003cstrong data-start=\"2058\" data-end=\"2090\"\u003eQ2: Do I need any additives?\u003c\/strong\u003e\u003cbr data-start=\"2090\" data-end=\"2093\"\u003eNo—this oil already has the blend your engine needs.\u003c\/p\u003e\n\u003cp data-start=\"2147\" data-end=\"2268\"\u003e\u003cstrong data-start=\"2147\" data-end=\"2193\"\u003eQ3: How well does it hold up in saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2193\" data-end=\"2196\"\u003eIt’s made with corrosion protection meant for routine saltwater running.\u003c\/p\u003e\n\u003cp data-start=\"2270\" data-end=\"2398\"\u003e\u003cstrong data-start=\"2270\" data-end=\"2311\"\u003eQ4: Any tips for cleaner oil changes?\u003c\/strong\u003e\u003cbr data-start=\"2311\" data-end=\"2314\"\u003eWarm the motor a bit first; warm oil drains smoother and brings more debris with it.\u003c\/p\u003e\n\u003cp data-start=\"2400\" data-end=\"2548\"\u003e\u003cstrong data-start=\"2400\" data-end=\"2455\"\u003eQ5: What happens when the oil starts breaking down?\u003c\/strong\u003e\u003cbr data-start=\"2455\" data-end=\"2458\"\u003eYou may notice a rough idle, warmer temps, or a dull ticking sound as the engine loads up.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626528170275,"sku":"92-8M0078623","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/92-8m0078623.jpg?v=1698786158","url":"https:\/\/partsvu.com\/en-au\/products\/quicksilver-synthetic-blend-25w40-oil-92-8m0078623","provider":"PartsVu","version":"1.0","type":"link"}