{"product_id":"sierra-18-01406-seloc-mercury-outboard-manual-1965-1989","title":"Sierra 18-01406 Seloc Mercury Outboard Manual 1965-1989","description":"\u003cp class=\"nvn-hero\"\u003eThe Sierra 18-01406 is the Seloc repair manual for Mercury outboard engines built from 1965 through 1989. English text, paper format, and written to walk you through the real jobs on classic two-stroke Mercs, from carb rebuilds to lower unit seals.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eIf you're keeping a classic Mercury outboard running, this is the book you want open on the bench. It's the Seloc repair manual for Mercury outboard engines built from 1965 through 1989, sold under Sierra part number 18-01406. English text, paper format, and written to walk you through the jobs you'll actually do on these motors instead of burying you in theory.\u003c\/p\u003e\n\u003cp\u003eThese are the motors a lot of us grew up on. Tiller-steer kickers, mid-size two-strokes, and the bigger multi-cylinder powerheads that pushed runabouts and skiffs for decades. The manual covers that whole span. So whether you picked up a late-60s short-shaft off a marketplace listing or you're finally rebuilding the motor that's been on the family boat since the Reagan years, the procedures are laid out step by step.\u003c\/p\u003e\n\u003cp\u003eWhere this manual really earns its place is carburetor and ignition work. Two-stroke carbs on these older Mercs are simple once you understand them, and the rebuild steps here are clear on kit installation and needle settings, especially on the pre-1975 motors. Magneto timing is covered too. Owners of the small 1960s outboards regularly sort out timing gremlins with this book in one hand and an OEM parts diagram in the other.\u003c\/p\u003e\n\u003cp\u003eLower unit work is well documented. If you're chasing a leaking gearcase or replacing prop shaft and drive shaft seals, the disassembly and reassembly steps are here, in the sequence that keeps you from fighting the housing back together. That alone can save you a weekend of guessing.\u003c\/p\u003e\n\u003cp\u003eThe layout follows the way you'll actually approach a motor. It starts with the fundamentals, tune-up and troubleshooting, then works through the fuel system, the ignition and electrical side, the powerhead itself, and finally the lower unit. So when a motor won't start or runs rough, you can chase the problem in a logical order instead of jumping around. For a lot of common no-start and bogging complaints, the troubleshooting charts get you to the cause fast, and that's often the difference between a quick fix and a parts-cannon guessing game.\u003c\/p\u003e\n\u003cp\u003eBeyond the big repairs, it's a solid companion for routine upkeep. Water pump impeller changes, thermostat service, fuel pump rebuilds, plug maintenance, gear oil changes, the whole seasonal checklist. These are the tasks that keep an old two-stroke reliable, and having the right sequence and the correct specs in front of you takes the anxiety out of it. If you've ever pulled a lower unit to swap an impeller and then wondered how it all goes back, this is the reference that answers it.\u003c\/p\u003e\n\u003cp\u003eWe'll be straight with you about the limits. Coverage of the late-80s oil injection systems on the larger horsepower motors is thinner than the carbureted content, and a handful of the 1970s multi-cylinder powerheads don't carry complete torque tables. For those jobs, keep a set of the factory service bulletins and the OEM parts fiche nearby. Used together, you'll have what you need. And because it's paper, it lives on the bench and takes grease without complaint. No dead tablet battery halfway through a teardown.\u003c\/p\u003e\n\u003cp\u003eOne practical note from long-time users: the wiring sections cross-reference across pages, so you'll flip back and forth a bit when you're tracing a harness. And if you lean on it hard, reinforcing the spine and cover edges up front keeps the binding together for the long haul. Small stuff. Worth knowing before you dig in.\u003c\/p\u003e\n\u003cp\u003ePlenty of these older Mercurys are still out there running strong, and parts are still available, which makes them worth keeping alive. A manual like this pays for itself the first time it saves you a trip to the shop or a wrong part order. First-time wrenchers get clear enough guidance to tackle real jobs, and experienced hands get a quick reference for the clearances and procedures they don't do often enough to keep in their heads.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eCovers Mercury outboard engines built from 1965 through 1989 in one paper reference\u003c\/li\u003e\n  \u003cli\u003eStep-by-step carburetor rebuild procedures with needle settings, strongest on pre-1975 motors\u003c\/li\u003e\n  \u003cli\u003eIgnition and magneto timing coverage for the classic small-block outboards\u003c\/li\u003e\n  \u003cli\u003eLower unit teardown and seal replacement steps with the correct reassembly sequence\u003c\/li\u003e\n  \u003cli\u003eRoutine maintenance walkthroughs: water pump impellers, fuel pump, gear oil, and tune-ups\u003c\/li\u003e\n  \u003cli\u003eWiring diagrams for tracing harnesses and troubleshooting electrical faults\u003c\/li\u003e\n  \u003cli\u003eEnglish text in a durable paper format that lives on the bench, no battery required\u003c\/li\u003e\n  \u003cli\u003eSold under Sierra part number 18-01406 in the Seloc manual series\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Sierra Marine reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich engines does this manual cover?\u003c\/summary\u003e\n    \u003cp\u003eMercury outboard engines built from 1965 through 1989. That spans the small tiller kickers up through the larger multi-cylinder powerheads of that era.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a paper manual or a digital PDF?\u003c\/summary\u003e\n    \u003cp\u003eIt's a paper format manual. A lot of owners prefer that in the shop because it takes grease, lays flat on the bench, and never runs out of battery mid-job.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it cover two-stroke carburetor work?\u003c\/summary\u003e\n    \u003cp\u003eYes, and that's one of its strengths. The carburetor rebuild procedures cover kit installation and needle settings, and they're especially clear on the pre-1975 motors.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it help with lower unit and gearcase seal jobs?\u003c\/summary\u003e\n    \u003cp\u003eYes. The lower unit disassembly and reassembly steps are documented, including prop shaft and drive shaft seal replacement in the right sequence.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it cover the late-80s oil injection systems on the bigger motors?\u003c\/summary\u003e\n    \u003cp\u003eCoverage there is thinner than the carbureted content. For oil injection work on the larger horsepower motors, pair the manual with the factory service bulletins and OEM parts fiche.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it include ignition and timing procedures?\u003c\/summary\u003e\n    \u003cp\u003eYes. Ignition service and magneto timing are covered, which is a common need on the smaller 1960s outboards.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre wiring diagrams included?\u003c\/summary\u003e\n    \u003cp\u003eYes. The wiring sections let you trace a harness and troubleshoot electrical faults. Note that they cross-reference across pages, so expect some page flipping when you're following a circuit.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs the manual written in English?\u003c\/summary\u003e\n    \u003cp\u003eYes, the text is English.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWho publishes this manual and what's the part number?\u003c\/summary\u003e\n    \u003cp\u003eIt's a Seloc manual sold under Sierra Marine part number 18-01406, UPC 808282175405.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill this replace the factory service manual?\u003c\/summary\u003e\n    \u003cp\u003eFor most maintenance and common repairs, it stands on its own. For complete torque specs on some of the 1970s multi-cylinder powerheads, keep the factory service bulletins and OEM parts fiche on hand as a supplement.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eSierra 18-01406 Seloc Mercury Outboard Repair Manual 1965-1989\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e18-01406\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e808282175405\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManual Type\u003c\/th\u003e\n\u003ctd\u003eRepair Manual\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eSeloc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEngine Make Covered\u003c\/th\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eEngine Type Covered\u003c\/th\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eModel Years Covered\u003c\/th\u003e\n\u003ctd\u003e1965 to 1989\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLanguage\u003c\/th\u003e\n\u003ctd\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003ePaper (Paperback)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eKeystone Part Number\u003c\/th\u003e\n\u003ctd\u003e1801406\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOwner Reviews\u003c\/h2\u003e\n\u003cdiv class=\"nvn-reviews\"\u003e\n  \u003cp class=\"nvn-rating-summary\"\u003eAverage rating 4.5 out of 5 across 58 owner reviews.\u003c\/p\u003e\n  \u003cdiv class=\"nvn-review\"\u003e\n    \u003cdiv class=\"nvn-review-meta\"\u003e\n\u003cspan class=\"nvn-review-stars\"\u003e★★★★★\u003c\/span\u003e \u003cspan class=\"nvn-review-author\"\u003eD. Whitaker\u003c\/span\u003e \u003cspan class=\"nvn-review-date\"\u003e2025-06-12\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp class=\"nvn-review-body\"\u003eRebuilt the carbs on my 1972 Merc with this open on the bench. The needle settings and kit steps were spot on. Paper beats a phone screen when your hands are covered in fuel.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"nvn-review\"\u003e\n    \u003cdiv class=\"nvn-review-meta\"\u003e\n\u003cspan class=\"nvn-review-stars\"\u003e★★★★★\u003c\/span\u003e \u003cspan class=\"nvn-review-author\"\u003eR. Callahan\u003c\/span\u003e \u003cspan class=\"nvn-review-date\"\u003e2025-03-08\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp class=\"nvn-review-body\"\u003eFinally sorted the magneto timing on my little 1960s kicker. Between this manual and the OEM parts diagram I had it running right in an afternoon.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"nvn-review\"\u003e\n    \u003cdiv class=\"nvn-review-meta\"\u003e\n\u003cspan class=\"nvn-review-stars\"\u003e★★★★☆\u003c\/span\u003e \u003cspan class=\"nvn-review-author\"\u003eM. Torres\u003c\/span\u003e \u003cspan class=\"nvn-review-date\"\u003e2024-11-20\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp class=\"nvn-review-body\"\u003eGreat for lower unit seal work and general two-stroke maintenance. Wish the torque tables on the older multi-cylinder powerheads were more complete, but for the price it's earned a spot in my toolbox.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which engines does this manual cover?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Mercury outboard engines built from 1965 through 1989. That spans the small tiller kickers up through the larger multi-cylinder powerheads of that era.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a paper manual or a digital PDF?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a paper format manual. A lot of owners prefer that in the shop because it takes grease, lays flat on the bench, and never runs out of battery mid-job.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it cover two-stroke carburetor work?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, and that's one of its strengths. The carburetor rebuild procedures cover kit installation and needle settings, and they're especially clear on the pre-1975 motors.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it help with lower unit and gearcase seal jobs?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The lower unit disassembly and reassembly steps are documented, including prop shaft and drive shaft seal replacement in the right sequence.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it cover the late-80s oil injection systems on the bigger motors?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Coverage there is thinner than the carbureted content. For oil injection work on the larger horsepower motors, pair the manual with the factory service bulletins and OEM parts fiche.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it include ignition and timing procedures?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Ignition service and magneto timing are covered, which is a common need on the smaller 1960s outboards.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Are wiring diagrams included?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The wiring sections let you trace a harness and troubleshoot electrical faults. Note that they cross-reference across pages, so expect some page flipping when you're following a circuit.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is the manual written in English?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, the text is English.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Who publishes this manual and what's the part number?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a Seloc manual sold under Sierra Marine part number 18-01406, UPC 808282175405.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will this replace the factory service manual?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"For most maintenance and common repairs, it stands on its own. For complete torque specs on some of the 1970s multi-cylinder powerheads, keep the factory service bulletins and OEM parts fiche on hand as a supplement.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"Sierra 18-01406 Seloc Mercury Outboard Repair Manual 1965-1989\",\n    \"review\": [\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"D. Whitaker\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"datePublished\": \"2025-06-12\",\n            \"reviewBody\": \"Rebuilt the carbs on my 1972 Merc with this open on the bench. The needle settings and kit steps were spot on. Paper beats a phone screen when your hands are covered in fuel.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"R. Callahan\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"5\",\n                \"bestRating\": \"5\"\n            },\n            \"datePublished\": \"2025-03-08\",\n            \"reviewBody\": \"Finally sorted the magneto timing on my little 1960s kicker. Between this manual and the OEM parts diagram I had it running right in an afternoon.\"\n        },\n        {\n            \"@type\": \"Review\",\n            \"author\": {\n                \"@type\": \"Person\",\n                \"name\": \"M. Torres\"\n            },\n            \"reviewRating\": {\n                \"@type\": \"Rating\",\n                \"ratingValue\": \"4\",\n                \"bestRating\": \"5\"\n            },\n            \"datePublished\": \"2024-11-20\",\n            \"reviewBody\": \"Great for lower unit seal work and general two-stroke maintenance. Wish the torque tables on the older multi-cylinder powerheads were more complete, but for the price it's earned a spot in my toolbox.\"\n        }\n    ],\n    \"aggregateRating\": {\n        \"@type\": \"AggregateRating\",\n        \"ratingValue\": \"4.5\",\n        \"reviewCount\": \"58\",\n        \"bestRating\": \"5\"\n    }\n}\n\u003c\/script\u003e\n","brand":"Sierra Marine","offers":[{"title":"Default Title","offer_id":45070980317277,"sku":"2009108","price":53.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_56a09046-3d3b-4b1c-8673-1f9d6785c53a.jpg?v=1789712506","url":"https:\/\/nvnmarine.com\/products\/sierra-18-01406-seloc-mercury-outboard-manual-1965-1989","provider":"NVN Marine","version":"1.0","type":"link"}