{"product_id":"jlm-marine-carburetor-rebuild-kit-for-johnson-evinrude-omc-18-75-hp-full-gasket-diaphragm-set","title":"JLM MARINE Carburetor Rebuild Kit for Johnson Evinrude OMC 18–75 HP — Full Gasket \u0026 Diaphragm Set","description":"\u003cp\u003e\u003cstrong\u003eThe JLM MARINE 396701 carburetor rebuild kit supplies all the gaskets, seals, and replacement parts needed to restore Johnson, Evinrude and OMC carburetors on 18–75 HP outboards.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your outboard engine shows rough idling, hard starting, or reduced throttle response, the carburetor is often the culprit. This rebuild kit is made to match the factory fittings for many Johnson, Evinrude and OMC models (part numbers listed below) and includes the small components that commonly fail with age, ethanol exposure, or debris. Rebuilding the carburetor can bring back consistent fuel flow and better performance without replacing the entire carburetor body.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and part numbers does this kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis JLM MARINE kit is designed to be compatible with a broad range of Johnson, Evinrude and OMC carburetors used on 18–75 HP outboards. It matches original part numbers and common aftermarket references so you can confirm fitment before buying.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible OEM references: 396701, 398729, 777717, 392061 and others listed on the product page.\u003c\/li\u003e\n  \u003cli\u003eAlso replaces Sierra 18-7042 and 18-7222, Mallory 9-37105 \/ 9-37107, and REC396701 \/ 47-7042.\u003c\/li\u003e\n  \u003cli\u003eEngine horsepower coverage: 18, 20, 25, 28, 30, 35, 40, 45, 48, 50, 55, 60, 65, 70, 75 HP.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat parts are included and what problems do they solve?\u003c\/h3\u003e\n\u003cp\u003eThe kit bundles the gaskets, diaphragms, needles, and seals that wear out or become brittle over time. Replacing these parts addresses common symptoms such as flooding, lean running, poor acceleration, and fuel leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete gasket sets to restore airtight seals between carburetor sections.\u003c\/li\u003e\n  \u003cli\u003eDiaphragms and metering parts that renew fuel delivery control.\u003c\/li\u003e\n  \u003cli\u003eNeedles, seats and small hardware to stop drips and restore proper float operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what tools are required?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a moderate DIY task for someone comfortable with small engine repair and basic shop tools. Clean workspace, carburetor cleaner, and a small set of screwdrivers, pliers and wrenches are usually sufficient; a repair manual or exploded diagram helps ensure correct part placement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended tools: screwdriver set, small pliers, carb cleaner, safety gloves, and a clean bench.\u003c\/li\u003e\n  \u003cli\u003eAllow time: plan for careful disassembly, parts cleaning, and correct gasket seating to avoid leaks.\u003c\/li\u003e\n  \u003cli\u003eReferencing the engine service manual or diagram reduces assembly errors and ensures tuning afterward.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance improvements can I expect after rebuilding?\u003c\/h3\u003e\n\u003cp\u003eRebuilding the carburetor restores the intended fuel\/air metering so the engine starts more reliably and runs more smoothly across RPM ranges. While this kit won’t upgrade power, it returns the carburetor to designed operating condition and can reduce fuel surging, stalling, and rough idle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoother idle and steadier response to throttle input.\u003c\/li\u003e\n  \u003cli\u003eReduced fuel leaks and fewer flooding or hard-start episodes.\u003c\/li\u003e\n  \u003cli\u003eBetter overall fuel metering leading to consistent performance under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This rebuild kit is aimed at boat owners, marine mechanics and DIY enthusiasts who maintain Johnson, Evinrude or OMC outboards from 18 to 75 HP. It’s especially useful if the carburetor shows age-related wear, if the engine has sat idle for a long time, or if you prefer repairing worn components rather than replacing the entire carburetor assembly. Confirm your engine part numbers against the compatibility list to ensure the correct fit before purchase.\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: Does this kit fit my 40 HP Johnson carburetor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit covers Johnson\/Evinrude\/OMC carburetors from 18 to 75 HP. Verify your carburetor part number against the compatibility list to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are instructions or a manual included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit contains parts only; use the engine service manual or online exploded diagrams for correct assembly and torque specs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JLM MARINE","offers":[{"title":"Default Title","offer_id":48087085219998,"sku":"B0CLJ4SY1F","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jlm-marine-396701-front-packaging_16cb9412-82fb-45ce-9d47-45f516ae4741.jpg?v=1785916250","url":"https:\/\/northtrailauto.ca\/products\/jlm-marine-carburetor-rebuild-kit-for-johnson-evinrude-omc-18-75-hp-full-gasket-diaphragm-set","provider":"North Trail Auto","version":"1.0","type":"link"}