{"product_id":"royal-enfield-521272b-throttle-cable-assembly-thunderbird-2004-2005","title":"Royal Enfield Throttle Cable Assembly (Single Accelerator Cable) – 521272\/A (Repl. 521272\/B) – Thunderbird KS (CDI 2004 \/ TCI 2005) \u0026 Thunderbird ES (2005) OEM","description":"\u003cp data-start=\"1648\" data-end=\"2010\"\u003eRestore smooth throttle response with the \u003cstrong data-start=\"1690\" data-end=\"1739\"\u003eGenuine Royal Enfield Throttle Cable Assembly\u003c\/strong\u003e, Part \u003cstrong data-start=\"1746\" data-end=\"1758\"\u003e521272\/A\u003c\/strong\u003e (current replacement \u003cstrong data-start=\"1780\" data-end=\"1792\"\u003e521272\/B\u003c\/strong\u003e). This is the OEM accelerator\/throttle cable used on \u003cstrong data-start=\"1846\" data-end=\"1899\"\u003eRoyal Enfield Thunderbird KS (CDI-2004, TCI-2005)\u003c\/strong\u003e and \u003cstrong data-start=\"1904\" data-end=\"1929\"\u003eThunderbird ES (2005)\u003c\/strong\u003e models as per dealer\/catalog references. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2012\" data-end=\"2416\"\u003eA worn throttle cable often causes \u003cstrong data-start=\"2047\" data-end=\"2158\"\u003ehard throttle rotation, delayed pickup, fraying at the ends, inconsistent idle return, or sticking throttle\u003c\/strong\u003e—especially after rain\/dust use. OEM cable fitment matters because many aftermarket “throttle wire” options vary in \u003cstrong data-start=\"2274\" data-end=\"2338\"\u003eouter length, inner free play, nipple end shape, and routing\u003c\/strong\u003e, which can lead to improper throttle opening, high idle, or premature wear.\u003c\/p\u003e\n\u003ch2 data-start=\"2712\" data-end=\"2736\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"2737\" data-end=\"3357\"\u003e\n\u003cli data-start=\"2737\" data-end=\"2848\"\u003e\n\u003cp data-start=\"2739\" data-end=\"2848\"\u003eGenuine Royal Enfield \u003cstrong data-start=\"2761\" data-end=\"2788\"\u003eThrottle Cable Assembly\u003c\/strong\u003e (accelerator cable) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2849\" data-end=\"2941\"\u003e\n\u003cp data-start=\"2851\" data-end=\"2941\"\u003ePart No. \u003cstrong data-start=\"2860\" data-end=\"2872\"\u003e521272\/A\u003c\/strong\u003e (superseded by \u003cstrong data-start=\"2888\" data-end=\"2900\"\u003e521272\/B\u003c\/strong\u003e) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2942\" data-end=\"3061\"\u003e\n\u003cp data-start=\"2944\" data-end=\"3061\"\u003eConfirmed for \u003cstrong data-start=\"2958\" data-end=\"3021\"\u003eThunderbird KS (CDI-2004, TCI-2005) \u0026amp; Thunderbird ES (2005)\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3062\" data-end=\"3139\"\u003e\n\u003cp data-start=\"3064\" data-end=\"3139\"\u003eHelps fix: \u003cstrong data-start=\"3075\" data-end=\"3137\"\u003estiff throttle, fraying, delayed return, throttle sticking\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3140\" data-end=\"3205\"\u003e\n\u003cp data-start=\"3142\" data-end=\"3205\"\u003eOEM routing + correct end fittings (reduces high-idle issues)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3206\" data-end=\"3281\"\u003e\n\u003cp data-start=\"3208\" data-end=\"3281\"\u003eBest choice vs generic aftermarket throttle wires (fitment consistency)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3282\" data-end=\"3357\"\u003e\n\u003cp data-start=\"3284\" data-end=\"3357\"\u003eRecommended replacement during carb\/throttle service and restoration work\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3359\" data-end=\"3400\"\u003eCompatibility Table\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3401\" data-end=\"3805\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 99.9677%; height: 117.578px;\"\u003e\n\u003cthead data-start=\"3401\" data-end=\"3456\"\u003e\n\u003ctr data-start=\"3401\" data-end=\"3456\" style=\"height: 29.3945px;\"\u003e\n\u003cth data-start=\"3401\" data-end=\"3409\" data-col-size=\"sm\" style=\"width: 23.8535%; height: 29.3945px;\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"3409\" data-end=\"3427\" data-col-size=\"sm\" style=\"width: 27.0872%; height: 29.3945px;\"\u003eEngine\/Platform\u003c\/th\u003e\n\u003cth data-start=\"3427\" data-end=\"3437\" data-col-size=\"sm\" style=\"width: 13.6534%; height: 29.3945px;\"\u003eBS\/Type\u003c\/th\u003e\n\u003cth data-start=\"3437\" data-end=\"3445\" data-col-size=\"sm\" style=\"width: 8.65385%; height: 29.3945px;\"\u003eYears\u003c\/th\u003e\n\u003cth data-start=\"3445\" data-end=\"3456\" data-col-size=\"sm\" style=\"width: 22.9428%; height: 29.3945px;\"\u003eFitment\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3479\" data-end=\"3805\"\u003e\n\u003ctr data-start=\"3479\" data-end=\"3589\" style=\"height: 29.3945px;\"\u003e\n\u003ctd data-start=\"3479\" data-end=\"3496\" data-col-size=\"sm\" style=\"width: 23.8535%; height: 29.3945px;\"\u003eThunderbird KS\u003c\/td\u003e\n\u003ctd data-start=\"3496\" data-end=\"3515\" data-col-size=\"sm\" style=\"width: 27.0872%; height: 29.3945px;\"\u003eThunderbird (T1)\u003c\/td\u003e\n\u003ctd data-start=\"3515\" data-end=\"3525\" data-col-size=\"sm\" style=\"width: 13.6534%; height: 29.3945px;\"\u003e\u003cstrong data-start=\"3517\" data-end=\"3524\"\u003eCDI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3525\" data-end=\"3536\" data-col-size=\"sm\" style=\"width: 8.65385%; height: 29.3945px;\"\u003e\u003cstrong data-start=\"3527\" data-end=\"3535\"\u003e2004\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3536\" data-end=\"3589\" data-col-size=\"sm\" style=\"width: 22.9428%; height: 29.3945px;\"\u003e✅ Confirmed \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3590\" data-end=\"3700\" style=\"height: 29.3945px;\"\u003e\n\u003ctd data-start=\"3590\" data-end=\"3607\" data-col-size=\"sm\" style=\"width: 23.8535%; height: 29.3945px;\"\u003eThunderbird KS\u003c\/td\u003e\n\u003ctd data-start=\"3607\" data-end=\"3626\" data-col-size=\"sm\" style=\"width: 27.0872%; height: 29.3945px;\"\u003eThunderbird (T1)\u003c\/td\u003e\n\u003ctd data-start=\"3626\" data-end=\"3636\" data-col-size=\"sm\" style=\"width: 13.6534%; height: 29.3945px;\"\u003e\u003cstrong data-start=\"3628\" data-end=\"3635\"\u003eTCI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3636\" data-end=\"3647\" data-col-size=\"sm\" style=\"width: 8.65385%; height: 29.3945px;\"\u003e\u003cstrong data-start=\"3638\" data-end=\"3646\"\u003e2005\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3647\" data-end=\"3700\" data-col-size=\"sm\" style=\"width: 22.9428%; height: 29.3945px;\"\u003e✅ Confirmed\u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3701\" data-end=\"3805\" style=\"height: 29.3945px;\"\u003e\n\u003ctd data-start=\"3701\" data-end=\"3718\" data-col-size=\"sm\" style=\"width: 23.8535%; height: 29.3945px;\"\u003eThunderbird ES\u003c\/td\u003e\n\u003ctd data-start=\"3718\" data-end=\"3737\" data-col-size=\"sm\" style=\"width: 27.0872%; height: 29.3945px;\"\u003eThunderbird (T1)\u003c\/td\u003e\n\u003ctd data-start=\"3737\" data-end=\"3741\" data-col-size=\"sm\" style=\"width: 13.6534%; height: 29.3945px;\"\u003e—\u003c\/td\u003e\n\u003ctd data-start=\"3741\" data-end=\"3752\" data-col-size=\"sm\" style=\"width: 8.65385%; height: 29.3945px;\"\u003e\u003cstrong data-start=\"3743\" data-end=\"3751\"\u003e2005\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3752\" data-end=\"3805\" data-col-size=\"sm\" style=\"width: 22.9428%; height: 29.3945px;\"\u003e✅ Confirmed \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003ca href=\"https:\/\/thesparescompany.com\/products\/throttle-cable-assembly-39259?srsltid=AfmBOooyW7i6bEefllp9ldfXu2rY1T_hYmTWU_QfYPtGjd2jwPTF0fFX\u0026amp;utm_source=chatgpt.com\" rel=\"noopener\" alt=\"https:\/\/thesparescompany.com\/products\/throttle-cable-assembly-39259?srsltid=AfmBOooyW7i6bEefllp9ldfXu2rY1T_hYmTWU_QfYPtGjd2jwPTF0fFX\u0026amp;utm_source=chatgpt.com\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between overflow-hidden\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 data-start=\"3807\" data-end=\"3875\"\u003e\u003cspan style=\"color: rgb(250, 10, 10);\"\u003ePLEASE CHECK PART NUMBER BEFORE PURCHASE \u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3876\" data-end=\"4165\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3876\" data-end=\"3912\"\u003e\n\u003ctr data-start=\"3876\" data-end=\"3912\"\u003e\n\u003cth data-start=\"3876\" data-end=\"3884\" data-col-size=\"sm\"\u003eModel\u003c\/th\u003e\n\u003cth data-start=\"3884\" data-end=\"3901\" data-col-size=\"md\"\u003eWhy people ask\u003c\/th\u003e\n\u003cth data-start=\"3901\" data-end=\"3912\" data-col-size=\"md\"\u003eFitment\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3927\" data-end=\"4165\"\u003e\n\u003ctr data-start=\"3927\" data-end=\"4040\"\u003e\n\u003ctd data-start=\"3927\" data-end=\"3940\" data-col-size=\"sm\"\u003eBullet 500\u003c\/td\u003e\n\u003ctd data-start=\"3940\" data-end=\"3987\" data-col-size=\"md\"\u003eMechanics may adapt cables by length\/routing\u003c\/td\u003e\n\u003ctd data-start=\"3987\" data-end=\"4040\" data-col-size=\"md\"\u003e❓ Not confirmed by catalog\/dealer fitment sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"4041\" data-end=\"4165\"\u003e\n\u003ctd data-start=\"4041\" data-end=\"4066\" data-col-size=\"sm\"\u003eElectra (Carb variant)\u003c\/td\u003e\n\u003ctd data-start=\"4066\" data-end=\"4112\" data-col-size=\"md\"\u003eSimilar throttle\/carb setups in older bikes\u003c\/td\u003e\n\u003ctd data-start=\"4112\" data-end=\"4165\" data-col-size=\"md\"\u003e❓ Not confirmed by catalog\/dealer fitment sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"4167\" data-end=\"4180\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-start=\"4181\" data-end=\"4302\"\u003e\n\u003cli data-start=\"4181\" data-end=\"4302\"\u003e\n\u003cp data-start=\"4183\" data-end=\"4302\"\u003e\u003cstrong data-start=\"4183\" data-end=\"4195\"\u003e521272\/A\u003c\/strong\u003e → replacement \u003cstrong data-start=\"4210\" data-end=\"4222\"\u003e521272\/B\u003c\/strong\u003e (same throttle cable assembly family) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"4304\" data-end=\"4319\"\u003eFAQs \u003c\/h2\u003e\n\u003col data-start=\"4320\" data-end=\"5090\"\u003e\n\u003cli data-start=\"4320\" data-end=\"4485\"\u003e\n\u003cp data-start=\"4323\" data-end=\"4485\"\u003e\u003cstrong data-start=\"4323\" data-end=\"4361\"\u003eIs 521272\/A and 521272\/B the same?\u003c\/strong\u003e\u003cbr data-start=\"4361\" data-end=\"4364\"\u003e521272\/A is shown with \u003cstrong data-start=\"4387\" data-end=\"4423\"\u003ereplacement part number 521272\/B\u003c\/strong\u003e in dealer catalogs. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4487\" data-end=\"4641\"\u003e\n\u003cp data-start=\"4490\" data-end=\"4641\"\u003e\u003cstrong data-start=\"4490\" data-end=\"4512\"\u003eConfirmed fitment?\u003c\/strong\u003e\u003cbr data-start=\"4512\" data-end=\"4515\"\u003eConfirmed for \u003cstrong data-start=\"4529\" data-end=\"4568\"\u003eThunderbird KS (CDI-2004, TCI-2005)\u003c\/strong\u003e and \u003cstrong data-start=\"4573\" data-end=\"4598\"\u003eThunderbird ES (2005)\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\" data-testid=\"webpage-citation-pill\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4643\" data-end=\"4827\"\u003e\n\u003cp data-start=\"4646\" data-end=\"4827\"\u003e\u003cstrong data-start=\"4646\" data-end=\"4693\"\u003eCan I use it in Bullet 500 or Electra carb?\u003c\/strong\u003e\u003cbr data-start=\"4693\" data-end=\"4696\"\u003eNot confirmed by reliable fitment sources. If you want to try, match \u003cstrong data-start=\"4765\" data-end=\"4810\"\u003eold cable length + end fittings + routing\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4829\" data-end=\"4959\"\u003e\n\u003cp data-start=\"4832\" data-end=\"4959\"\u003e\u003cstrong data-start=\"4832\" data-end=\"4869\"\u003eSymptoms of a bad throttle cable?\u003c\/strong\u003e\u003cbr data-start=\"4869\" data-end=\"4872\"\u003eStiff throttle, fraying, sticky return, high idle after turning handle, delayed pickup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4961\" data-end=\"5090\"\u003e\n\u003cp data-start=\"4964\" data-end=\"5090\"\u003e\u003cstrong data-start=\"4964\" data-end=\"4986\"\u003eAny install notes?\u003c\/strong\u003e\u003cbr data-start=\"4986\" data-end=\"4989\"\u003eLubricate cable if recommended, set correct free play, and ensure routing does not kink on full lock.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 data-start=\"5092\" data-end=\"5119\"\u003e\u003cbr\u003e\u003c\/h2\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50892375195943,"sku":null,"price":83.0,"currency_code":"INR","in_stock":true}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-521272b-throttle-cable-assembly-thunderbird-2004-2005","provider":"UNDER THE HOOD","version":"1.0","type":"link"}