{"product_id":"mercury-synthetic-blend-4-stroke-25w-40-marine-oil-quart-92-8m0078629","title":"Mercury – Synthetic Blend 4-Stroke 25W-40 Marine Oil Quart | Engine Protection | 92-8M0078629","description":"\u003cp data-start=\"0\" data-end=\"107\"\u003e\u003cstrong data-start=\"0\" data-end=\"107\"\u003eMercury – Synthetic Blend 4-Stroke 25W-40 Marine Oil Quart | Engine Protection | 92-8M0078629\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"109\" data-end=\"112\"\u003e\n\u003ch3 data-start=\"114\" data-end=\"128\"\u003eOverview\u003c\/h3\u003e\n\u003cp data-start=\"129\" data-end=\"517\"\u003eMost of us end up using this oil because it just behaves the way you expect it to. It’s got a thicker, steady feel when you pour it, and once the engine warms up, it settles in nicely. I’ve run it on hot days, long no-wake stretches, quick hops between spots—you name it—and the motor stays calm. It’s the kind of thing you keep on the shelf because it never gives you a reason to switch.\u003c\/p\u003e\n\u003chr data-start=\"519\" data-end=\"522\"\u003e\n\u003ch3 data-start=\"524\" data-end=\"542\"\u003eKey Features\u003c\/h3\u003e\n\u003cp data-start=\"543\" data-end=\"948\"\u003e• \u003cstrong data-start=\"557\" data-end=\"584\"\u003eSynthetic Blend Formula\u003c\/strong\u003e – Keeps a solid protective film when the engine’s working.\u003cbr data-start=\"643\" data-end=\"646\"\u003e• \u003cstrong data-start=\"660\" data-end=\"684\"\u003e25W-40 Marine Weight\u003c\/strong\u003e – Handles the big temp swings you get on the water.\u003cbr data-start=\"736\" data-end=\"739\"\u003e• \u003cstrong data-start=\"753\" data-end=\"786\"\u003eCorrosion-Resistant Additives\u003c\/strong\u003e – Helps protect parts from salt, humidity, and storage moisture.\u003cbr data-start=\"851\" data-end=\"854\"\u003e• \u003cstrong data-start=\"868\" data-end=\"895\"\u003eClean-Burning Chemistry\u003c\/strong\u003e – Cuts down on sludge and buildup inside the engine.\u003c\/p\u003e\n\u003chr data-start=\"950\" data-end=\"953\"\u003e\n\u003ch3 data-start=\"955\" data-end=\"988\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"989\" data-end=\"1155\"\u003e• FourStroke engines\u003cbr data-start=\"1021\" data-end=\"1024\"\u003e• Verado platform\u003cbr data-start=\"1053\" data-end=\"1056\"\u003e• EFI and naturally aspirated systems\u003cbr data-start=\"1105\" data-end=\"1108\"\u003e• Mercury marine lubrication series\u003c\/p\u003e\n\u003chr data-start=\"1157\" data-end=\"1160\"\u003e\n\u003ch3 data-start=\"1162\" data-end=\"1200\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1201\" data-end=\"1536\"\u003eOnce this oil circulates, the motor usually sounds a little more relaxed—less chatter, less fuss. You’ll see steadier temps on long runs and fewer weird swings when you jump from idle to higher RPM. It just makes the whole setup feel smoother and less strained. By the end of the day, the engine still feels willing instead of beat up.\u003c\/p\u003e\n\u003chr data-start=\"1538\" data-end=\"1541\"\u003e\n\u003ch3 data-start=\"1543\" data-end=\"1560\"\u003eWhy Buy OEM\u003c\/h3\u003e\n\u003cp data-start=\"1561\" data-end=\"1829\"\u003eMercury mixes this oil around the engines they build, so pressure and flow stay where they’re supposed to. You avoid strange sensor readings or thin spots that show up with automotive oils. It’s a simple way to keep the motor acting the same every time you service it.\u003c\/p\u003e\n\u003chr data-start=\"1831\" data-end=\"1834\"\u003e\n\u003ch3 data-start=\"1836\" data-end=\"1845\"\u003eFAQ\u003c\/h3\u003e\n\u003cp data-start=\"1846\" data-end=\"1986\"\u003e\u003cstrong data-start=\"1846\" data-end=\"1897\"\u003e1. How do I know the oil’s ready to be changed?\u003c\/strong\u003e\u003cbr data-start=\"1897\" data-end=\"1900\"\u003eIf the engine starts sounding a little rough or the oil darkens fast, check the hours.\u003c\/p\u003e\n\u003cp data-start=\"1988\" data-end=\"2088\"\u003e\u003cstrong data-start=\"1988\" data-end=\"2033\"\u003e2. Do I need any special tools to use it?\u003c\/strong\u003e\u003cbr data-start=\"2033\" data-end=\"2036\"\u003eNope—just the usual drain pan, wrench, and a funnel.\u003c\/p\u003e\n\u003cp data-start=\"2090\" data-end=\"2205\"\u003e\u003cstrong data-start=\"2090\" data-end=\"2130\"\u003e3. Is this blend good for saltwater?\u003c\/strong\u003e\u003cbr data-start=\"2130\" data-end=\"2133\"\u003eYes, the additives help keep things protected in salty, damp conditions.\u003c\/p\u003e\n\u003cp data-start=\"2207\" data-end=\"2329\"\u003e\u003cstrong data-start=\"2207\" data-end=\"2267\"\u003e4. Will the engine feel different after switching to it?\u003c\/strong\u003e\u003cbr data-start=\"2267\" data-end=\"2270\"\u003eA lot of folks notice steadier temps and smoother warm-ups.\u003c\/p\u003e\n\u003cp data-start=\"2331\" data-end=\"2461\"\u003e\u003cstrong data-start=\"2331\" data-end=\"2382\"\u003e5. What should I watch for if the oil gets low?\u003c\/strong\u003e\u003cbr data-start=\"2382\" data-end=\"2385\"\u003eHarsh mechanical noise or sluggish response—shut the engine down right away.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626522239267,"sku":"92-8M0078629","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0078629_main.jpg?v=1760631370","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-synthetic-blend-4-stroke-25w-40-marine-oil-quart-92-8m0078629","provider":"PartsVu","version":"1.0","type":"link"}