{"product_id":"carburetor-8m0109535-853720t21-for-mercury-outboard-2-cyl-carb-engines-10hp-15hp-20hp","title":"Carburetor 8M0109535 853720T21 for Mercury Outboard 2 Cyl Carb Engines 10HP 15HP 20HP","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eCarburetor 8M0109535 for Mercury two cylinder carbureted outboards in 10HP, 15HP and 20HP, the complete carburetor part that bolts on in place of 853720T21 and 853720T15. It comes in a 155 mm x 105 mm x 100 mm box at 652 g and is also listed for OMC engines using the same carburetor.\u003c\/p\u003e\n\n\u003cp\u003eThis is a whole carburetor rather than a rebuild kit, so there is no cleaning, no gasket set and no float height to set before it goes back on. That suits the motor where the throttle shaft is worn or the body has been eaten by salt water and a rebuild would not hold.\u003c\/p\u003e\n\n\u003cp\u003eCheck the old carburetor against the photos before ordering. Two cylinder Mercury motors of this size came with more than one calibration, and the number on the flange is what settles it.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eNew \/ New with tags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eOutboard carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eReplaces\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e8M0109535, 853720T21, 853720T15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eMercury two cylinder carbureted outboards 10HP, 15HP and 20HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eAlso Listed For\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eOMC engines using the same carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eFuel System\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eTwo cylinder carbureted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003ePackage Contents\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e1 x carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eTaiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e652 g including packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003ePack Size\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e155 mm x 105 mm x 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003ePack Size In Inches\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e6.10 in x 4.13 in x 3.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e3 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOEM Cross Reference\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eOEM Part Numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCarburetor\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e853720T21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCarburetor, later number\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e8M0109535\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCarburetor, alternate number\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e853720T15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engines\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eBrand\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eHorsepower\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eEngine Type\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eMercury\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e10HP\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eCarb 2 Cyl.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eMercury\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e15HP\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eCarb 2 Cyl. (JCI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eMercury\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e20HP\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eCarb 2 Cyl.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eOMC\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eSame carburetor applications\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eTwo cylinder carbureted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eComponent\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eDetail\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCarburetor assembly\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eComplete, as pictured\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eGaskets and studs\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eNot included, reuse or renew the originals\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSigns The Carburetor Needs Replacing\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eWhat You See\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eWhat It Means\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eWhat To Do\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eMotor will not idle without choke\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eIdle circuit blocked or body corroded\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eRough running at low speed\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eWorn throttle shaft letting air past\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eFuel leaking from the body\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eSeat or float chamber corroded through\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eMotor surges then dies\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFloat level cannot be set, body worn\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eBlack plugs after every trip\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eOver fuelling from a worn needle\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eAdjustment screws no longer respond\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003ePassages blocked beyond cleaning\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitting Notes\u003c\/h2\u003e\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eStep\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eAction\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e1\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eCheck the model and the number on the old carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e2\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eDisconnect the battery and close the fuel tap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e3\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eTake off the cowling and note the linkage and fuel line routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e4\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eRemove the old carburetor and clean the mounting face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e5\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eFit the new carburetor with fresh gaskets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eReconnect the fuel line, throttle and choke linkage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e7\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eSqueeze the primer bulb and check for leaks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003e8\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eStart on muffs, set the idle mixture and check the plugs after the first run\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCondition \u0026amp; Warranty\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eItem\u003c\/th\u003e\n\u003cth style=\"text-align:left;border-bottom:1px solid #ddd;padding:6px\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eNew \/ New with tags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003e3 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px\"\u003ePackaging\u003c\/td\u003e\n\u003ctd style=\"padding:6px\"\u003eSealed retail packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eBefore You Buy\u003c\/h2\u003e\n\u003cul style=\"list-style:none\"\u003e\n\u003cli\u003eFits Mercury 10HP, 15HP and 20HP two cylinder carbureted outboards\u003c\/li\u003e\n\u003cli\u003e15HP application is the JCI version\u003c\/li\u003e\n\u003cli\u003eReplaces 8M0109535, 853720T21 and 853720T15\u003c\/li\u003e\n\u003cli\u003eAlso listed for OMC engines using the same carburetor\u003c\/li\u003e\n\u003cli\u003eOne complete carburetor, gaskets are not included\u003c\/li\u003e\n\u003cli\u003eCompare the old carburetor against the photos\u003c\/li\u003e\n\u003cli\u003e30-Day Easy Returns\u003c\/li\u003e\n\u003cli\u003eShips from our warehouse with tracking\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"XRmarine","offers":[{"title":"Default Title","offer_id":68109339689003,"sku":"23CA483","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0689\/0415\/7227\/files\/10_7f15db6a-8699-4c23-9f73-1ca05ae819a9.jpg?v=1793678114","url":"https:\/\/xrmarineparts.com\/de\/products\/carburetor-8m0109535-853720t21-for-mercury-outboard-2-cyl-carb-engines-10hp-15hp-20hp","provider":"XRmarine","version":"1.0","type":"link"}