{"product_id":"6h3-w0001-02-gasket-repair-kit-for-yamaha-60hp-70hp-c70-p60-jlm-marine","title":"6H3-W0001-02 Gasket Repair Kit for Yamaha 60HP 70HP C70 P60 | JLM Marine","description":"\u003ch2\u003eGasket Repair Kit for Yamaha 60HP 70HP C70 P60 | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis comprehensive \u003cstrong\u003ePowerhead Gasket Kit\u003c\/strong\u003e is designed for Yamaha outboard engines ranging from \u003cstrong\u003e60 HP to 70 HP\u003c\/strong\u003e, including models \u003cstrong\u003eC70\u003c\/strong\u003e and \u003cstrong\u003eP60\u003c\/strong\u003e. It provides a complete seal solution for powerhead rebuilds and routine maintenance, ensuring optimal compression and preventing leaks across all critical engine surfaces.\u003c\/p\u003e\n\n\u003cp\u003eThis kit directly replaces Yamaha OEM part number \u003cstrong\u003e6H3-W0001-02-00\u003c\/strong\u003e and Sierra part number \u003cstrong\u003e18-99176\u003c\/strong\u003e, offering a cost-effective aftermarket alternative without sacrificing quality or performance.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete gasket set for comprehensive powerhead service\u003c\/li\u003e\n\u003cli\u003eIncludes head gasket, intake\/exhaust gaskets, seals, and O-rings\u003c\/li\u003e\n\u003cli\u003eSuitable for professional rebuilds and DIY maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha OEM\u003c\/td\u003e\n\u003ctd\u003e6H3-W0001-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-99176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e60HP\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e1994-1999, 2001-2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e70HP\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e1994-2009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC70\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e2000-2001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eP60\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e1994-1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e6H3-W0001-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePowerhead Gasket Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eYamaha 60-70 HP Outboard Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThis complete gasket repair kit includes the following components:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e1 × Head Gasket\u003c\/span\u003e (6H3-11181-00)\u003c\/li\u003e\n\u003cli\u003e1 × Intake Gasket (6H3-13622-00)\u003c\/li\u003e\n\u003cli\u003e1 × Exhaust Outer Cover Gasket (6H3-41114-00)\u003c\/li\u003e\n\u003cli\u003e1 × Exhaust Inner Cover Gasket (6H3-41112-00)\u003c\/li\u003e\n\u003cli\u003e1 × Thermostat Cover Gasket (62Y-12414-00)\u003c\/li\u003e\n\u003cli\u003e1 × Upper Casing Gasket (6H3-45113-00)\u003c\/li\u003e\n\u003cli\u003e1 × Fuel Pump Mounting Gasket (650-24431-00)\u003c\/li\u003e\n\u003cli\u003e1 × Valve Seal Gasket (6H3-13621-00)\u003c\/li\u003e\n\u003cli\u003e1 × Cylinder Cover Gasket (6H3-11193-00)\u003c\/li\u003e\n\u003cli\u003e1 × Drain Screw Gasket (90430-14115)\u003c\/li\u003e\n\u003cli\u003e3 × Gasket, Float Chamber\u003c\/li\u003e\n\u003cli\u003e4 types of O-rings\u003c\/li\u003e\n\u003cli\u003e3 types of Oil Seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Disconnect the battery and drain all fluids from the powerhead. Remove the cowling and any components obstructing access to the powerhead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisassembly:\u003c\/strong\u003e Carefully remove the cylinder head, exhaust covers, thermostat housing, and upper casing following your engine's service manual torque sequence in reverse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface Cleaning:\u003c\/strong\u003e Thoroughly clean all mating surfaces using a gasket scraper and solvent. Ensure no old gasket material, carbon deposits, or debris remain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Check all surfaces for warping, cracks, or damage. Resurface or replace components as needed before proceeding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Placement:\u003c\/strong\u003e Position the new head gasket on the block, aligning all bolt holes and water passages carefully. Do not use sealant unless specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Installation:\u003c\/strong\u003e Install the cylinder head and torque bolts to specification in the correct sequence (consult your service manual). Work in multiple passes from center outward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeals \u0026amp; O-rings:\u003c\/strong\u003e Replace all O-rings and oil seals included in the kit, lubricating them lightly with engine oil before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover Assembly:\u003c\/strong\u003e Install intake, exhaust, and thermostat cover gaskets, ensuring proper alignment. Torque fasteners to specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpper Casing:\u003c\/strong\u003e Position the upper casing gasket and reassemble the lower unit connection, following torque specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel System:\u003c\/strong\u003e Install the fuel pump mounting gasket and float chamber gaskets, ensuring a proper seal to prevent fuel leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Assembly:\u003c\/strong\u003e Reinstall all removed components, refill fluids, and reconnect the battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Start the engine and check for leaks, proper compression, and smooth operation. Monitor for any abnormal sounds or leaks during the first few hours of operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this gasket kit fits my specific Yamaha engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Verify your engine model and year against the compatibility table above. Cross-reference the OEM part number 6H3-W0001-02-00 with your engine's parts diagram to ensure exact fitment before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the powerhead gaskets?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace gaskets whenever you perform a powerhead rebuild, cylinder head removal, or if you notice compression loss, coolant leaks, or oil mixing with water. Routine replacement is typically during major engine overhauls or every 5-10 years depending on usage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my powerhead gaskets are failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include loss of power, overheating, white smoke from the exhaust, coolant in the oil, oil in the coolant, external coolant or oil leaks around the head or covers, and difficulty starting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need to use sealant with these gaskets?\u003c\/strong\u003e\u003cbr\u003e\nA: Most gaskets in this kit are designed to seal without additional sealant. However, consult your Yamaha service manual for specific recommendations—some applications may require a thin coat of marine-grade sealant on certain surfaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse gaskets if I'm just inspecting the powerhead?\u003c\/strong\u003e\u003cbr\u003e\nA: No, gaskets should never be reused once removed. They compress and conform to mating surfaces during installation and will not seal properly if reinstalled, leading to leaks and potential engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981003784505,"sku":"23KY443","price":55.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_d708a3f7-12a1-4348-beda-6addfbf0ab45.png?v=1772414300","url":"https:\/\/jlmmarine.com\/ru\/products\/6h3-w0001-02-gasket-repair-kit-for-yamaha-60hp-70hp-c70-p60-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}