{"product_id":"royal-enfield-rlt00241a-e20-carburettor-bs29-uce-350-bs3","title":"Royal Enfield RLT00241\/A – BS29 Carburettor (E20-Compatible, BS3 UCE) for Classic 350, Bullet 350, Electra 350 \u0026 Thunderbird 350 – Genuine OEM","description":"\u003cp data-start=\"275\" data-end=\"817\"\u003eUpgrade your BS3 350 UCE to today’s fuel with the genuine \u003cstrong data-start=\"333\" data-end=\"380\"\u003eRoyal Enfield RLT00241\/A – BS29 Carburettor\u003c\/strong\u003e, validated for \u003cstrong data-start=\"396\" data-end=\"403\"\u003eE20\u003c\/strong\u003e blends. This is the \u003cstrong data-start=\"424\" data-end=\"456\"\u003efactory carburettor assembly\u003c\/strong\u003e for \u003cstrong data-start=\"461\" data-end=\"468\"\u003eBS3\u003c\/strong\u003e UCE 350 models and is the modern replacement for earlier BS3 BS29 units (e.g., 570282 series). Labels and dealer communications circulating in the trade identify \u003cstrong data-start=\"631\" data-end=\"645\"\u003eRLT00241\/A\u003c\/strong\u003e as \u003cstrong data-start=\"649\" data-end=\"690\"\u003e“E20 Carburettor Assy – UCE 350 BS3,”\u003c\/strong\u003e intended for \u003cstrong data-start=\"704\" data-end=\"764\"\u003eClassic 350, Bullet 350, Electra 350 and Thunderbird 350\u003c\/strong\u003e carb models. \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=\"819\" data-end=\"1327\"\u003eCompared to legacy BS3 carbs, \u003cstrong data-start=\"849\" data-end=\"863\"\u003eRLT00241\/A\u003c\/strong\u003e keeps the familiar BS29 geometry and OE jet circuits while carrying \u003cstrong data-start=\"932\" data-end=\"949\"\u003eE20 readiness\u003c\/strong\u003e—helpful where pump fuel ethanol content is rising. It’s \u003cstrong data-start=\"1006\" data-end=\"1023\"\u003eplug-and-play\u003c\/strong\u003e on BS3 UCE 350s: bolts to the stock manifold and air box, and reuses OE throttle\/choke cables. For \u003cstrong data-start=\"1123\" data-end=\"1130\"\u003eBS4\u003c\/strong\u003e UCE 350s, use the E20-ready \u003cstrong data-start=\"1159\" data-end=\"1173\"\u003eRLT00240\/A\u003c\/strong\u003e or the E20 retrofit kit listed by official parts portals; do not mix BS3\/BS4 assemblies without fiche confirmation. \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=\"1329\" data-end=\"1504\"\u003eEvery unit from \u003cstrong data-start=\"1345\" data-end=\"1363\"\u003eUnder The Hood\u003c\/strong\u003e is \u003cstrong data-start=\"1367\" data-end=\"1381\"\u003eQC-checked\u003c\/strong\u003e, shipped in \u003cstrong data-start=\"1394\" data-end=\"1419\"\u003eOE-labelled packaging\u003c\/strong\u003e, billed with a \u003cstrong data-start=\"1435\" data-end=\"1450\"\u003eGST invoice\u003c\/strong\u003e, and packed safely to reach you in perfect condition.\u003c\/p\u003e\n\u003ch1 data-start=\"1506\" data-end=\"1520\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1521\" data-end=\"2065\"\u003e\n\u003cli data-start=\"1521\" data-end=\"1641\"\u003e\n\u003cp data-start=\"1523\" data-end=\"1641\"\u003e\u003cstrong data-start=\"1523\" data-end=\"1558\"\u003eE20-compatible BS29 carburettor\u003c\/strong\u003e for \u003cstrong data-start=\"1563\" data-end=\"1578\"\u003eBS3 UCE 350\u003c\/strong\u003e – part \u003cstrong data-start=\"1586\" data-end=\"1600\"\u003eRLT00241\/A\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=\"1642\" data-end=\"1716\"\u003e\n\u003cp data-start=\"1644\" data-end=\"1716\"\u003eDirect \u003cstrong data-start=\"1651\" data-end=\"1668\"\u003eplug-and-play\u003c\/strong\u003e with OE manifold, air box, and cables on BS3.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1717\" data-end=\"1801\"\u003e\n\u003cp data-start=\"1719\" data-end=\"1801\"\u003eRetains OE jetting philosophy\/float height for \u003cstrong data-start=\"1766\" data-end=\"1798\"\u003eclean idle \u0026amp; crisp mid-range\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1802\" data-end=\"1886\"\u003e\n\u003cp data-start=\"1804\" data-end=\"1886\"\u003eGenuine casting \u0026amp; machining for consistent atomization (avoids copy-cat issues).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1887\" data-end=\"1959\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1959\"\u003e\u003cstrong data-start=\"1889\" data-end=\"1905\"\u003eFuture-proof\u003c\/strong\u003e for rising ethanol blends on legacy BS3 carb bikes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1960\" data-end=\"2065\"\u003e\n\u003cp data-start=\"1962\" data-end=\"2065\"\u003eBacked by E20 programme parts\/kit listings for UCE 350 platforms. \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\u003ch1 data-start=\"2067\" data-end=\"2105\"\u003eCompatibility Table \u003c\/h1\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2107\" data-end=\"2687\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2107\" data-end=\"2196\"\u003e\n\u003ctr data-start=\"2107\" data-end=\"2196\"\u003e\n\u003cth data-start=\"2107\" data-end=\"2132\" data-col-size=\"sm\"\u003eModel (BS3 carburetor)\u003c\/th\u003e\n\u003cth data-start=\"2132\" data-end=\"2152\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"2152\" data-end=\"2169\" data-col-size=\"sm\"\u003eEmission Stage\u003c\/th\u003e\n\u003cth data-start=\"2169\" data-end=\"2187\" data-col-size=\"sm\"\u003eYears (approx.)\u003c\/th\u003e\n\u003cth data-start=\"2187\" data-end=\"2196\" data-col-size=\"md\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2219\" data-end=\"2687\"\u003e\n\u003ctr data-start=\"2219\" data-end=\"2375\"\u003e\n\u003ctd data-start=\"2219\" data-end=\"2248\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2221\" data-end=\"2247\"\u003eClassic 350 UCE (carb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2248\" data-end=\"2261\" data-col-size=\"sm\"\u003e346 cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"2261\" data-end=\"2271\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2263\" data-end=\"2270\"\u003eBS3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2271\" data-end=\"2284\" data-col-size=\"sm\"\u003e~2009–2016\u003c\/td\u003e\n\u003ctd data-start=\"2284\" data-end=\"2375\" data-col-size=\"md\"\u003eBS29 carb models. E20 upgrade via \u003cstrong data-start=\"2320\" data-end=\"2334\"\u003eRLT00241\/A\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\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2376\" data-end=\"2506\"\u003e\n\u003ctd data-start=\"2376\" data-end=\"2411\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2378\" data-end=\"2410\"\u003eBullet 350 UCE (KS\/ES, carb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2411\" data-end=\"2424\" data-col-size=\"sm\"\u003e346 cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"2424\" data-end=\"2434\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2426\" data-end=\"2433\"\u003eBS3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2434\" data-end=\"2447\" data-col-size=\"sm\"\u003e~2009–2016\u003c\/td\u003e\n\u003ctd data-start=\"2447\" data-end=\"2506\" data-col-size=\"md\"\u003eBS29 carb models.\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=\"2507\" data-end=\"2596\"\u003e\n\u003ctd data-start=\"2507\" data-end=\"2539\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2509\" data-end=\"2538\"\u003eElectra 350 UCE ES (carb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2539\" data-end=\"2552\" data-col-size=\"sm\"\u003e346 cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"2552\" data-end=\"2562\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2554\" data-end=\"2561\"\u003eBS3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2562\" data-end=\"2575\" data-col-size=\"sm\"\u003e~2010–2016\u003c\/td\u003e\n\u003ctd data-start=\"2575\" data-end=\"2596\" data-col-size=\"md\"\u003eBS29 carb models.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2597\" data-end=\"2687\"\u003e\n\u003ctd data-start=\"2597\" data-end=\"2630\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2599\" data-end=\"2629\"\u003eThunderbird 350 UCE (carb)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2630\" data-end=\"2643\" data-col-size=\"sm\"\u003e346 cc UCE\u003c\/td\u003e\n\u003ctd data-start=\"2643\" data-end=\"2653\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2645\" data-end=\"2652\"\u003eBS3\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2653\" data-end=\"2666\" data-col-size=\"sm\"\u003e~2009–2016\u003c\/td\u003e\n\u003ctd data-start=\"2666\" data-end=\"2687\" data-col-size=\"md\"\u003eBS29 carb models.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cblockquote data-start=\"2689\" data-end=\"2890\"\u003e\n\u003cp data-start=\"2691\" data-end=\"2890\"\u003e\u003cstrong data-start=\"2691\" data-end=\"2715\"\u003eExplicit exclusions:\u003c\/strong\u003e \u003cstrong data-start=\"2716\" data-end=\"2723\"\u003eBS4\u003c\/strong\u003e UCE (use \u003cstrong data-start=\"2733\" data-end=\"2747\"\u003eRLT00240\/A\u003c\/strong\u003e or official E20 BS4 kit), \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\/blockquote\u003e\n\u003ch1 data-start=\"2892\" data-end=\"2902\"\u003eVariants\u003c\/h1\u003e\n\u003cul data-start=\"2903\" data-end=\"3121\"\u003e\n\u003cli data-start=\"2903\" data-end=\"2966\"\u003e\n\u003cp data-start=\"2905\" data-end=\"2966\"\u003e\u003cstrong data-start=\"2905\" data-end=\"2950\"\u003eRLT00241\/A – BS29 Carb (E20, BS3 UCE 350)\u003c\/strong\u003e \u003cem data-start=\"2951\" data-end=\"2964\"\u003e(this item)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2967\" data-end=\"3121\"\u003e\n\u003cp data-start=\"2969\" data-end=\"3121\"\u003eRelated BS4 option: \u003cstrong data-start=\"2989\" data-end=\"3038\"\u003eRLT00240\/A – BS29 Carb (E10\/E20, BS4 UCE 350)\u003c\/strong\u003e \u003cem data-start=\"3039\" data-end=\"3081\"\u003e(listed separately, cross-link on page).\u003c\/em\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\u003c\/ul\u003e\n\u003ch1 data-start=\"3123\" data-end=\"3129\"\u003eFAQs\u003c\/h1\u003e\n\u003cp data-start=\"3130\" data-end=\"3405\"\u003e\u003cstrong data-start=\"3130\" data-end=\"3167\"\u003eQ1. What does RLT00241\/A replace?\u003c\/strong\u003e\u003cbr data-start=\"3167\" data-end=\"3170\"\u003eEarlier \u003cstrong data-start=\"3178\" data-end=\"3190\"\u003eBS3 BS29\u003c\/strong\u003e carb assemblies (e.g., 570282 series). RLT00241\/A is the \u003cstrong data-start=\"3248\" data-end=\"3263\"\u003eE20-capable\u003c\/strong\u003e OE assembly for \u003cstrong data-start=\"3280\" data-end=\"3295\"\u003eBS3 UCE 350\u003c\/strong\u003e. Evidence appears in current OE-labelled stock shared within the trade.\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=\"3407\" data-end=\"3622\"\u003e\u003cstrong data-start=\"3407\" data-end=\"3439\"\u003eQ2. Will it fit my BS4 bike?\u003c\/strong\u003e\u003cbr data-start=\"3439\" data-end=\"3442\"\u003eNo—BS4 uses different calibration\/ancillaries. For BS4, use \u003cstrong data-start=\"3502\" data-end=\"3516\"\u003eRLT00240\/A\u003c\/strong\u003e or the official \u003cstrong data-start=\"3533\" data-end=\"3557\"\u003eE20 kit (KLT00002\/A)\u003c\/strong\u003e shown on the parts portal.\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=\"3624\" data-end=\"3742\"\u003e\u003cstrong data-start=\"3624\" data-end=\"3665\"\u003eQ3. Do I need new cables or manifold?\u003c\/strong\u003e\u003cbr data-start=\"3665\" data-end=\"3668\"\u003eOn BS3 UCE 350: \u003cstrong data-start=\"3684\" data-end=\"3690\"\u003eNo\u003c\/strong\u003e—it’s plug-and-play with OE manifold\/air box\/cables.\u003c\/p\u003e\n\u003cp data-start=\"3744\" data-end=\"3888\"\u003e\u003cstrong data-start=\"3744\" data-end=\"3772\"\u003eQ4. Do I need to re-jet?\u003c\/strong\u003e\u003cbr data-start=\"3772\" data-end=\"3775\"\u003eIt ships to OE spec. Most stock BS3 bikes won’t need changes; fine-tune only for altitude or intake\/exhaust mods.\u003c\/p\u003e\n\u003cp data-start=\"3890\" data-end=\"4054\"\u003e\u003cstrong data-start=\"3890\" data-end=\"3941\"\u003eQ5. Is this better than aftermarket carbs\/kits?\u003c\/strong\u003e\u003cbr data-start=\"3941\" data-end=\"3944\"\u003eYes—\u003cstrong data-start=\"3948\" data-end=\"3959\"\u003egenuine\u003c\/strong\u003e casting tolerances and passage alignment reduce tuning hassles and leaks common with replicas.\u003c\/p\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50598503514407,"sku":null,"price":2938.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/07E3860B-4768-4BB1-AA95-7033721281BB.jpg?v=1761734992","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-rlt00241a-e20-carburettor-bs29-uce-350-bs3","provider":"UNDER THE HOOD","version":"1.0","type":"link"}