{"product_id":"royal-enfield-old-bullet-350-electra-4s-5s-o-ring-chain-sprocket-kit-16t-597275","title":"Royal Enfield Old Bullet 350 \/ Electra 4S-5S O-Ring Chain Sprocket Kit 16T 597275","description":"\u003ch1\u003eRoyal Enfield Old Bullet 350 \/ Electra 4S-5S O-Ring Chain Sprocket Kit 16T 597275\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield 597275 Chain Sprocket Kit with O-Ring Chain\u003c\/strong\u003e is a genuine Royal Enfield final-drive kit for \u003cstrong\u003eold Bullet 350 family \/ Electra 4S \/ Electra 5S catalogue applications\u003c\/strong\u003e where the exact part number \u003cstrong\u003e597275\u003c\/strong\u003e is specified.\u003c\/p\u003e\n\n\u003cp\u003eThis listing is intentionally written for \u003cstrong\u003eold-model 350 applications\u003c\/strong\u003e. Do not treat 597275 as a generic chain kit for every Bullet, Classic, Electra, Thunderbird or UCE motorcycle. Many later UCE and J-Series models use different chain-kit part numbers.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Royal Enfield spare part\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e597275\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDescription family: \u003cstrong\u003eChain Sprocket Kit with O-Ring Chain\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCatalogue description: \u003cstrong\u003eChain and Sprocket Kit ('O' Ring Chain) (16T)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFinal-drive chain and sprocket kit for old Bullet 350 \/ Electra 4S-5S applications where 597275 is listed\u003c\/li\u003e\n\u003cli\u003eDesigned to replace chain and sprockets together as a matched set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat This Product Is Not\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot a universal Royal Enfield chain kit\u003c\/li\u003e\n\u003cli\u003eNot for Classic 350 UCE \/ Classic 500 UCE unless the exact EPC confirms 597275\u003c\/li\u003e\n\u003cli\u003eNot for Bullet 350 UCE \/ Electra UCE unless the exact EPC confirms 597275\u003c\/li\u003e\n\u003cli\u003eNot for Thunderbird \/ Thunderbird UCE \/ Thunderbird X unless the exact EPC confirms 597275\u003c\/li\u003e\n\u003cli\u003eNot for Meteor 350, Classic 350 Reborn, Hunter 350 or Bullet 350 J-Series\u003c\/li\u003e\n\u003cli\u003eNot for Himalayan 411, Scram 411, Himalayan 450, Guerrilla 450 or 650 models\u003c\/li\u003e\n\u003cli\u003eNot a chain pad, chain slider, chain adjuster, front sprocket only or rear sprocket only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal Royal Enfield part number \u003cstrong\u003e597275\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eO-ring chain type chain-sprocket kit\u003c\/li\u003e\n\u003cli\u003e16T front sprocket kit reference in old-model catalogue\u003c\/li\u003e\n\u003cli\u003eFocused on old Bullet 350 \/ Electra 4S-5S catalogue fitment to reduce wrong orders\u003c\/li\u003e\n\u003cli\u003eUseful for replacing stretched chain, hooked sprockets, tight spots or noisy final drive\u003c\/li\u003e\n\u003cli\u003eStrong return-prevention notes to avoid UCE \/ Classic \/ Thunderbird confusion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuyer Search Names \/ Internal Search Keywords\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield 597275, PS597275, old Bullet 350 chain sprocket kit, Bullet 350 O-ring chain kit, Electra 4S chain kit, Electra 5S chain kit, old Electra chain sprocket kit, Chain Sprocket Kit with O Ring Chain, 16T chain sprocket kit Royal Enfield.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003ePart Location \/ Use\u003c\/th\u003e\n\u003cth\u003eStatus\u003c\/th\u003e\n\u003cth\u003eImportant Note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOld Bullet 350 Standard \/ Deluxe \/ Machismo \/ Campus family\u003c\/td\u003e\n\u003ctd\u003eFinal drive \/ chain sprocket kit\u003c\/td\u003e\n\u003ctd\u003eCatalogue-supported\u003c\/td\u003e\n\u003ctd\u003eUse only where EPC, old part, bill estimate or packet label confirms 597275.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOld Electra 4S \/ Electra 5S 350 applications\u003c\/td\u003e\n\u003ctd\u003eFinal drive \/ chain sprocket kit\u003c\/td\u003e\n\u003ctd\u003eCatalogue-supported\u003c\/td\u003e\n\u003ctd\u003eApplies to old 4S\/5S catalogue applications, not later Electra UCE by name alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications listing 597275\u003c\/td\u003e\n\u003ctd\u003eChain and Sprocket Kit ('O' Ring Chain) (16T)\u003c\/td\u003e\n\u003ctd\u003eConfirmed part identity\u003c\/td\u003e\n\u003ctd\u003eExact part-number confirmation is required before dispatch.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eHigh-Risk Confusion: Do Not Mix Up\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCustomer Search \/ Model\u003c\/th\u003e\n\u003cth\u003eStatus for 597275\u003c\/th\u003e\n\u003cth\u003eWhy It Matters\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBullet 350 UCE \/ Electra UCE\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDo not assume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUCE-era motorcycles can use different chain-kit references. Old Electra 4S\/5S is not the same as later Electra UCE.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClassic 350 UCE \/ Classic 500 UCE\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDo not assume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClassic UCE chain kits vary by brake\/wheel setup and part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThunderbird \/ TBTS \/ Thunderbird X\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDo not assume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThunderbird chain kits have separate references and must be checked by exact part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJ-Series 350 models\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNot compatible unless EPC confirms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMeteor, Reborn Classic, Hunter and new Bullet use a different platform.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHimalayan \/ Scram \/ 450 \/ 650 models\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNot compatible unless EPC confirms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDifferent final-drive dimensions and part families.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSimilar Parts Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart \/ Search Term\u003c\/th\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003cth\u003eOrder When\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e597275\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eO-ring chain sprocket kit, 16T\u003c\/td\u003e\n\u003ctd\u003eOld Bullet 350 \/ Electra 4S-5S catalogue application confirms 597275.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e597237\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChain and sprocket kit with O-ring F.D. sprocket, 16T\u003c\/td\u003e\n\u003ctd\u003eThe catalogue specifically asks for 597237, not 597275.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e112146\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChain sprocket kit, 16T\u003c\/td\u003e\n\u003ctd\u003eNon-O-ring\/standard kit reference is required.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e597162\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChain sprocket kit, 17T\u003c\/td\u003e\n\u003ctd\u003eThe motorcycle requires 17T kit as per EPC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e597156\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChain sprocket kit, 18T\u003c\/td\u003e\n\u003ctd\u003eThe motorcycle requires 18T kit as per EPC.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChain pad \/ chain slider\u003c\/td\u003e\n\u003ctd\u003eSwingarm chain guide\u003c\/td\u003e\n\u003ctd\u003eOnly the chain pad\/slider is worn.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhen Should This Be Replaced?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChain has stretched beyond the adjustment range\u003c\/li\u003e\n\u003cli\u003eSprocket teeth are hooked, sharp or unevenly worn\u003c\/li\u003e\n\u003cli\u003eChain has tight spots, rust or excessive noise\u003c\/li\u003e\n\u003cli\u003eRear wheel adjustment marks are near the limit\u003c\/li\u003e\n\u003cli\u003eMotorcycle jerks during acceleration due to final-drive wear\u003c\/li\u003e\n\u003cli\u003eOld part \/ EPC \/ service estimate confirms \u003cstrong\u003e597275\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Related Parts to Check\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eChain pad \/ chain slider condition\u003c\/li\u003e\n\u003cli\u003eRear wheel bearing and sprocket carrier condition\u003c\/li\u003e\n\u003cli\u003eCush rubber condition if applicable\u003c\/li\u003e\n\u003cli\u003eFront sprocket cover area and oil leakage\u003c\/li\u003e\n\u003cli\u003eChain adjusters, axle nut and rear brake alignment after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 genuine Royal Enfield 597275 Chain Sprocket Kit with O-Ring Chain\u003c\/li\u003e\n\u003cli\u003eExact physical contents should be checked from the packet before dispatch\u003c\/li\u003e\n\u003cli\u003eChain lubricant, chain pad, bearings, chain adjusters and tools are not included unless separately mentioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplace chain and sprockets together as a matched set.\u003c\/li\u003e\n\u003cli\u003eConfirm front-sprocket tooth count and kit number before fitting.\u003c\/li\u003e\n\u003cli\u003eConfirm chain slack, rear-wheel alignment and fastener torque after installation.\u003c\/li\u003e\n\u003cli\u003eLubricate chain after installation and recheck slack after initial running.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for correct final-drive alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e 597275 should be ordered only where the old Bullet 350 \/ Electra 4S-5S parts catalogue, old packet, service estimate or EPC confirms \u003cstrong\u003e597275\u003c\/strong\u003e. Do not buy this only because the motorcycle is called Bullet, Electra, Classic or Thunderbird. UCE and J-Series customers commonly need a different chain-sprocket kit.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is Royal Enfield 597275?\u003c\/h3\u003e\n\u003cp\u003e597275 is a genuine Royal Enfield chain sprocket kit with O-ring chain, shown as a 16T old-model chain and sprocket kit reference.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit Bullet 350?\u003c\/h3\u003e\n\u003cp\u003eIt is catalogue-supported for old Bullet 350 family applications where 597275 is listed. Confirm the exact part number before ordering.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit Electra?\u003c\/h3\u003e\n\u003cp\u003eIt is catalogue-supported for old Electra 4S \/ 5S applications where 597275 is listed. Do not assume fitment for later Electra UCE without EPC confirmation.\u003c\/p\u003e\n\u003ch3\u003eDoes this fit Classic 350 UCE?\u003c\/h3\u003e\n\u003cp\u003eDo not assume. Classic UCE chain kits must be selected by exact part number and brake\/wheel setup.\u003c\/p\u003e\n\u003ch3\u003eIs this only the chain?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a chain sprocket kit, not just a loose chain.\u003c\/p\u003e\n\n\u003ch2\u003eSEO Tags\u003c\/h2\u003e\u003cp\u003eRoyal Enfield, Genuine Royal Enfield Parts, Royal Enfield 597275, 597275, PS597275, Chain Sprocket Kit With O Ring Chain, O Ring Chain Sprocket Kit, Chain And Sprocket Kit 16T, Old Bullet 350 Chain Kit, Bullet 350 Standard Chain Kit, Bullet 350 Deluxe Chain Kit, Bullet 350 Machismo Chain Kit, Bullet 350 Campus Chain Kit, Electra 4S Chain Kit, Electra 5S Chain Kit, Old Electra Chain Kit, Royal Enfield Bullet Old Model, Final Drive Kit, Motorcycle Chain Kit, Not UCE, Not Classic UCE, Not J Series, Check Before Ordering\u003c\/p\u003e\n\n\u003ch2\u003eImage Filename Suggestions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eroyal-enfield-597275-old-bullet-350-o-ring-chain-sprocket-kit.jpg\u003c\/li\u003e\n\u003cli\u003eroyal-enfield-electra-4s-5s-chain-sprocket-kit-597275.jpg\u003c\/li\u003e\n\u003cli\u003egenuine-royal-enfield-597275-chain-sprocket-kit-16t.jpg\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImage Alt Text Suggestions\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRoyal Enfield 597275 old Bullet 350 O-ring chain sprocket kit 16T\u003c\/li\u003e\n\u003cli\u003eRoyal Enfield Electra 4S 5S chain sprocket kit 597275\u003c\/li\u003e\n\u003cli\u003eGenuine Royal Enfield chain sprocket kit with O-ring chain 597275\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eGoogle Shopping Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Royal Enfield\u003c\/li\u003e\n\u003cli\u003eMPN: 597275\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eProduct category: Vehicles \u0026amp; Parts \u0026gt; Vehicle Parts \u0026amp; Accessories \u0026gt; Motor Vehicle Parts\u003c\/li\u003e\n\u003cli\u003eCustom product: False\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":51576702042407,"sku":"597275","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-old-bullet-350-electra-4s-5s-o-ring-chain-sprocket-kit-16t-597275","provider":"UNDER THE HOOD","version":"1.0","type":"link"}