{"product_id":"mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-25w-40-s-n-1b366823-2b094995-8m0097857","title":"Mercury Outboard 75-115 HP 4 Stroke 1.7L Complete 300 Hour Service Maintenance Kit 25W-40 - S\/N 1B366823 - 2B094995 - 8M0097857","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097857\u003c\/h2\u003e\n\u003cp\u003eHit the 300 hour milestone with confidence using a complete service kit for Mercury 75–115 HP 1.7L four-stroke outboards. This kit is built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e and combines the core oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—cooling components, ignition parts, belt service, and corrosion protection. It is a straightforward way to refresh critical systems, reduce downtime, and keep your outboard running strong for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 1B366823 – 2B094995\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Fuel Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and belt wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filters help reduce debris before it reaches sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace spark plugs at 300 hours?\u003c\/strong\u003e\u003cbr\u003ePlugs can wear and foul over time. Replacing them helps support clean combustion, smoother idle, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the anodes protect?\u003c\/strong\u003e\u003cbr\u003eAnodes help protect key submerged metal components by sacrificing themselves to reduce galvanic corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my engine?\u003c\/strong\u003e\u003cbr\u003eVerify your outboard falls within the listed serial number range before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895708963,"sku":"PVM00080","price":521.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097857-2540_1.jpg?v=1701377081","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-25w-40-s-n-1b366823-2b094995-8m0097857","provider":"PartsVu","version":"1.0","type":"link"}