{"product_id":"royal-enfield-klt00007-a-e20-carburetor-kit-uce-350-bs3-silver-sticker","title":"Royal Enfield E20 Carburettor Retrofit Kit with Silver Fuel Tank Sticker – UCE 350 BS3 – KLT00007\/A Genuine OEM","description":"\u003ch2\u003eE20 Upgrade Kit for Older Royal Enfield UCE 350 BS3 Motorcycles\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield KLT00007\/A\u003c\/strong\u003e is the genuine E20 carburettor retrofit\/upgrade kit specified for the \u003cstrong\u003eUCE 350 BS3 carburettor platform\u003c\/strong\u003e, packaged with a \u003cstrong\u003esilver fuel-tank label\u003c\/strong\u003e. It combines the E20 carburettor kit KLT00003\/A with the silver label RAK01706\/A under one kit reference. This is for owners and workshops seeking an OEM fuel-system retrofit for older carburetted Royal Enfield 350 motorcycles when E20 (up to 20% ethanol blended petrol) fuel is in use.\u003c\/p\u003e\u003cp\u003eThis product is \u003cstrong\u003enot a complete replacement carburettor assembly\u003c\/strong\u003e. The supplied parent-kit breakdown identifies a carburettor retrofit kit and a separate silver label. Detailed loose components inside KLT00003\/A must be confirmed from the genuine sealed package.\u003c\/p\u003e\n\u003ch2\u003eExact Part Identification\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eRoyal Enfield genuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKit SKU\u003c\/th\u003e\n\u003ctd\u003eKLT00007\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFactory description\u003c\/th\u003e\n\u003ctd\u003eE20 CARB KIT-UCE350 BS3 SILVER STICKER\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel-system application\u003c\/th\u003e\n\u003ctd\u003eUCE 350 BS3, carburettor-equipped motorcycles only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSticker\u003c\/th\u003e\n\u003ctd\u003eSilver fuel tank label (RAK01706\/A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold as\u003c\/th\u003e\n\u003ctd\u003e1 × KLT00007\/A genuine OEM kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eWhat You Receive — OEM Kit Breakdown\u003c\/h2\u003e\n\u003cp\u003eThe following two component references are listed in the supplied Royal Enfield kit breakdown. This is a \u003cstrong\u003ekit-level bill of materials\u003c\/strong\u003e; it does not verify the number of internal seals, jets, tubes or other pieces inside the nested carburettor kit.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eOEM description\u003c\/th\u003e\n\u003cth\u003ePurpose\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKLT00003\/A\u003c\/td\u003e\n\u003ctd\u003eE20 CARBURETOR KIT – UCE 350 BS3\u003c\/td\u003e\n\u003ctd\u003eBS3 UCE 350 E20 carburettor retrofit component kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAK01706\/A\u003c\/td\u003e\n\u003ctd\u003eLABEL, FUEL TANK, SILVER\u003c\/td\u003e\n\u003ctd\u003eSilver fuel-tank label supplied with this version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Do not assume that a full carburettor body, throttle cable, fuel tank, complete fuel hose set or particular gasket\/jet quantity is included. Check the original sealed kit and installation documentation for the detailed internal contents.\u003c\/p\u003e\n\u003ch2\u003eWhy an E20 Carburettor Retrofit Matters\u003c\/h2\u003e\n\u003cp\u003eOlder carburettor-equipped motorcycles were designed around fuel-system materials and calibration of their production era. Ethanol in modern petrol can create compatibility concerns for certain older fuel-system rubber and sealing components. Genuine Royal Enfield E20 retrofit kits have been introduced for select older UCE 350 BS3\/BS4 motorcycles; the BS3 and BS4 kit families are distinct. This retrofit is intended to address fuel compatibility at the carburettor component level. It is \u003cstrong\u003enot a guarantee\u003c\/strong\u003e against every fuel-system issue or a cure for all hard-starting and idle complaints.\u003c\/p\u003e\n\u003ch2\u003eCompatibility — Check the BS Generation and Existing Carburettor\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMotorcycle\/application\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003cth\u003eCheck before buying\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield UCE 350 BS3 carburettor platform\u003c\/td\u003e\n\u003ctd\u003eSpecified application\u003c\/td\u003e\n\u003ctd\u003eMatch original carburettor, VIN and OEM parts catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 350 UCE BS3 (carb)\u003c\/td\u003e\n\u003ctd\u003ePotential model application\u003c\/td\u003e\n\u003ctd\u003eConfirm exact VIN\/EPC and carburettor model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet \/ Standard 350 UCE BS3 (carb)\u003c\/td\u003e\n\u003ctd\u003ePotential model application\u003c\/td\u003e\n\u003ctd\u003eConfirm exact VIN\/EPC and carburettor model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectra 350 UCE BS3 (carb)\u003c\/td\u003e\n\u003ctd\u003ePotential model application\u003c\/td\u003e\n\u003ctd\u003eConfirm exact VIN\/EPC and carburettor model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird 350 UCE BS3 (carb)\u003c\/td\u003e\n\u003ctd\u003ePotential model application\u003c\/td\u003e\n\u003ctd\u003eConfirm exact VIN\/EPC and carburettor model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eModel-family coverage is supported by published E20 retrofit reporting, but the exact \u003cstrong\u003eKLT00007\/A\u003c\/strong\u003e application must be checked against the motorcycle VIN and current authorised Royal Enfield parts data before fitting. Model year alone does not reliably establish BS3\/BS4 classification.\u003c\/p\u003e\n\u003ch2\u003eDo Not Order For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUCE 350 \u003cstrong\u003eBS4\u003c\/strong\u003e carburettor motorcycles: use the separately specified BS4 kit variant after VIN\/EPC confirmation.\u003c\/li\u003e\n\u003cli\u003eFuel-injected (EFI) motorcycles or BS6 motorcycles.\u003c\/li\u003e\n\u003cli\u003eClassic 350 Reborn, Meteor 350, Hunter 350 or new Bullet 350 J-Series.\u003c\/li\u003e\n\u003cli\u003eUCE 500, Himalayan 411\/450, Guerrilla 450 or any 650 motorcycle unless separately documented.\u003c\/li\u003e\n\u003cli\u003eOwners needing a complete carburettor assembly rather than an E20 retrofit components kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRelated Genuine Part Numbers — Avoid Ordering the Wrong Version\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eDifference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKLT00007\/A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUCE 350 BS3 E20 carburettor kit + silver label\u003c\/td\u003e\n\u003ctd\u003eProduct being sold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKLT00003\/A\u003c\/td\u003e\n\u003ctd\u003eUCE 350 BS3 E20 carburettor kit\u003c\/td\u003e\n\u003ctd\u003eNested carburettor retrofit kit reference; silver sticker not established under this single SKU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAK01706\/A\u003c\/td\u003e\n\u003ctd\u003eSilver fuel tank label\u003c\/td\u003e\n\u003ctd\u003eLabel component, not a carburettor kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKLT00002\/A\u003c\/td\u003e\n\u003ctd\u003eUCE 350 BS4 E20 carburettor kit\u003c\/td\u003e\n\u003ctd\u003eDifferent emission-generation application; not an automatic substitute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKLT00004\/A\u003c\/td\u003e\n\u003ctd\u003eUCE 350 BS4 E20 kit with black fuel tank label\u003c\/td\u003e\n\u003ctd\u003eDifferent BS generation and label variant; not interchangeable by assumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhen Should You Consider This Upgrade?\u003c\/h2\u003e\n\u003cp\u003eThis kit is relevant when preparing an eligible older UCE 350 BS3 carburetted motorcycle for E20 petrol compatibility or carrying out a documented E20 retrofit. If the motorcycle also has fuel leakage, unstable idle, hesitation or difficult starting, request a mechanical inspection first: stale fuel, air leaks, blocked jets, choke issues, ignition faults and worn parts can produce similar symptoms. Do not purchase a retrofit kit solely on the basis of one symptom.\u003c\/p\u003e\n\u003ch2\u003eInstallation \u0026amp; Workshop Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eVerify the motorcycle VIN, BS3 emission category and carburettor identification against the dealer EPC.\u003c\/li\u003e\n\u003cli\u003eInspect the genuine kit for the correct KLT00003\/A package and RAK01706\/A silver label.\u003c\/li\u003e\n\u003cli\u003eHave a qualified Royal Enfield mechanic follow the proper retrofit\/service procedure and assess existing hoses, intake rubber and seals separately.\u003c\/li\u003e\n\u003cli\u003eInspect for fuel leaks, correct cable movement and safe engine operation after installation; adjust idle\/mixture only as specified for the motorcycle.\u003c\/li\u003e\n\u003cli\u003eApply the silver tank label as directed by the applicable retrofit instructions; do not use it as proof of a completed conversion by itself.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eNo torque settings, jetting specifications or detailed kit-piece counts are asserted without the corresponding current service instructions.\u003c\/p\u003e\n\u003ch2\u003eBefore You Buy — Fitment \u0026amp; Order Protection\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePlease confirm:\u003c\/strong\u003e (1) your bike is 350 UCE and BS3, (2) it uses a carburettor rather than EFI, (3) the correct BS3 carburettor\/retrofit part appears in the OEM EPC, and (4) you specifically require the silver-label KLT00007\/A package. For assistance, provide the VIN and clear pictures of the existing carburettor and its markings before placing an order.\u003c\/p\u003e\u003cp\u003eOrders cannot be cancelled once processing has started. Correctly supplied parts are generally not returnable for incorrect selection, diagnosis, mechanic recommendation, fitment mismatch or change of mind, subject to applicable law and policy. Claims of damaged, wrong or missing goods should be reported within 24 hours with a complete unboxing video under Under The Hood policy.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs KLT00007\/A a genuine Royal Enfield kit?\u003c\/h3\u003e\u003cp\u003eIt is identified in the supplied OEM kit breakdown as E20 CARB KIT-UCE350 BS3 SILVER STICKER. Confirm genuine packaging and part label on delivery.\u003c\/p\u003e\u003ch3\u003eIs this for BS3 or BS4?\u003c\/h3\u003e\u003cp\u003eBS3 UCE 350 carburettor models. BS4 has a separately numbered E20 kit family.\u003c\/p\u003e\u003ch3\u003eDoes the kit contain a complete carburettor assembly?\u003c\/h3\u003e\u003cp\u003eDo not assume so. The breakdown contains KLT00003\/A E20 carburettor retrofit kit and RAK01706\/A silver label; it does not list a complete carburettor assembly.\u003c\/p\u003e\u003ch3\u003eWhat is special about the silver-sticker version?\u003c\/h3\u003e\u003cp\u003eKLT00007\/A explicitly includes fuel tank label RAK01706\/A, described as silver. This should not be confused with black-label versions.\u003c\/p\u003e\u003ch3\u003eWill it fit an old Classic 350?\u003c\/h3\u003e\u003cp\u003eOnly if the particular motorcycle is UCE 350, BS3 and carburettor-equipped and the VIN\/EPC matches this retrofit application.\u003c\/p\u003e\u003ch3\u003eWill it fit Bullet 350 or Electra 350?\u003c\/h3\u003e\u003cp\u003eThese older UCE 350 carburettor model families are covered in E20 retrofit reporting, but check the individual motorcycle VIN and original carburettor before ordering.\u003c\/p\u003e\u003ch3\u003eWill it fit Thunderbird 350?\u003c\/h3\u003e\u003cp\u003ePossibly within the older BS3 UCE 350 carburettor range; confirm VIN, emission generation and carburettor parts reference.\u003c\/p\u003e\u003ch3\u003eCan it be used on Classic 350 Reborn, Meteor or Hunter?\u003c\/h3\u003e\u003cp\u003eNo. Those J-Series fuel-injected models are not the UCE 350 BS3 carburettor platform.\u003c\/p\u003e\u003ch3\u003eDoes it solve poor idling or difficult starting?\u003c\/h3\u003e\u003cp\u003eIt is an E20 retrofit, not a guaranteed repair for those symptoms. Diagnose fuel, ignition, air leaks and carb condition first.\u003c\/p\u003e\u003ch3\u003eAre new fuel hoses, jets, O-rings and seals included?\u003c\/h3\u003e\u003cp\u003eSpecific internal pieces and quantities within KLT00003\/A have not been verified for this sealed package. Confirm against the genuine kit before claiming any item.\u003c\/p\u003e\u003ch3\u003eDoes the silver tank sticker prove E20 compatibility?\u003c\/h3\u003e\u003cp\u003eNo. The label is an included identifier; the appropriate mechanical retrofit must be completed and checked by a competent workshop.\u003c\/p\u003e\u003ch3\u003eWhat details should I send for fitment confirmation?\u003c\/h3\u003e\u003cp\u003eVIN, emission standard, clear carburettor photos and existing carburettor markings; the dealer EPC is the final reference.\u003c\/p\u003e\n\u003ch2\u003eSearch Names \u0026amp; Related Buyer Terms\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield E20 kit BS3, Classic 350 E20 retrofit kit, Bullet 350 ethanol petrol conversion kit, Electra 350 E20 carb kit, Thunderbird 350 E20 carburettor kit, UCE 350 BS3 carb kit, original Royal Enfield E20 carburettor repair kit, E20 silver sticker kit, KLT00007\/A, KLT00003\/A, RAK01706\/A.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":52488443429159,"sku":"KLT00007\/A","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-klt00007-a-e20-carburetor-kit-uce-350-bs3-silver-sticker","provider":"UNDER THE HOOD","version":"1.0","type":"link"}