{"product_id":"royal-enfield-bear-650-chain-sprocket-kit-kaa00190-a","title":"Royal Enfield Bear 650 Chain Sprocket Kit – Genuine OEM 15T\/40T 520 Chain – KAA00190\/A","description":"\u003cp\u003e\u003cstrong\u003eReplace the worn chain and both sprockets on your Royal Enfield Bear 650 with the genuine Royal Enfield chain and sprocket kit, part number KAA00190\/A.\u003c\/strong\u003e This standard-gearing replacement kit is specified with a 15-tooth front sprocket, 40-tooth rear sprocket and 520-series drive chain. It also lists the front sprocket retaining nut and tab washer—items that are easily overlooked when ordering drivetrain components separately.\u003c\/p\u003e\u003cp\u003eThe Bear 650 uses a distinctive chain and gearing specification. Select this kit by the complete OEM kit number, rather than assuming that a chain kit for another Royal Enfield 650 will fit. This is a motorcycle drive-chain and final-drive sprocket service kit, not an engine timing-chain kit.\u003c\/p\u003e\u003ch2\u003eProduct identification\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eRoyal Enfield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eChain \u0026amp; sprocket kit \/ drive chain kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGenuine OEM kit number\u003c\/th\u003e\n\u003ctd\u003eKAA00190\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003ctd\u003eRoyal Enfield Bear 650 \/ Interceptor Bear 650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTransmission chain series\u003c\/th\u003e\n\u003ctd\u003e520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront sprocket teeth\u003c\/th\u003e\n\u003ctd\u003e15T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear sprocket teeth\u003c\/th\u003e\n\u003ctd\u003e40T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChain description\u003c\/th\u003e\n\u003ctd\u003e520, 105 link (as stated in supplied OEM component breakdown)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied quantity\u003c\/th\u003e\n\u003ctd\u003e1 complete kit per order; components listed below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront-to-rear tooth ratio\u003c\/th\u003e\n\u003ctd\u003e40\/15 = 2.67 (standard gearing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat is included in KAA00190\/A?\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eGenuine part number\u003c\/th\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQty in provided kit breakdown\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e574266\/C\u003c\/td\u003e\n\u003ctd\u003eM20 tab washer\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e574267\/C\u003c\/td\u003e\n\u003ctd\u003eM20 engine\/front sprocket nut\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAR00390\/B\u003c\/td\u003e\n\u003ctd\u003e520-series drive chain, 105-link OEM description\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRAT00472\/D\u003c\/td\u003e\n\u003ctd\u003e520-series rear drive sprocket, 40 teeth\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRLL00096\/C\u003c\/td\u003e\n\u003ctd\u003e520-series front\/gearbox drive sprocket, 15 teeth\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eImportant connecting-link note:\u003c\/strong\u003e A separate chain master\/connecting link is not identified as a distinct line item in the supplied five-component bill of materials. Do not assume a loose connecting link or rivet link is included until the actual sealed pack is checked. The 105-link count is reproduced from the OEM breakdown; some aftermarket manufacturers express chain length differently (for example 105+1), so do not substitute chains by a marketplace listing alone.\u003c\/p\u003e\u003ch2\u003eWhy replace the chain and sprockets together?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eA worn chain can accelerate wear on replacement sprockets, while worn sprocket teeth can shorten the service life of a new chain.\u003c\/li\u003e\n\u003cli\u003eThe matching 15T\/40T tooth counts preserve the Bear 650 standard final-drive gearing rather than intentionally altering acceleration or cruising characteristics.\u003c\/li\u003e\n\u003cli\u003eBoth the front-sprocket nut and locking tab washer are listed in this kit breakdown, providing the specified retaining hardware for the front sprocket.\u003c\/li\u003e\n\u003cli\u003eThe genuine component numbers make it straightforward to check each item against the motorcycle VIN and Royal Enfield parts catalogue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eMotorcycle\u003c\/th\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eBuying guidance\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eRoyal Enfield Bear 650 \/ Interceptor Bear 650\u003c\/td\u003e\n\u003ctd\u003eSpecified model for KAA00190\/A\u003c\/td\u003e\n\u003ctd\u003eConfirm VIN-specific parts catalogue and chain specification before installation.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eDo not order this complete kit for other models without part-number confirmation\u003c\/h2\u003e\u003cp\u003eInterceptor 650 (standard roadster), Continental GT 650, Super Meteor 650, Shotgun 650 and Classic 650 must not be assumed compatible merely because they use a 650 cc twin-cylinder engine or share one sprocket part number. Their complete-kit applications, chain lengths and final-drive components can differ. Nor is this a kit for Himalayan 450 or Guerrilla 450.\u003c\/p\u003e\u003ch2\u003eIs this the right chain kit for your Bear 650?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCheck the motorcycle model name and VIN; identify the OEM chain kit as \u003cstrong\u003eKAA00190\/A\u003c\/strong\u003e where applicable.\u003c\/li\u003e\n\u003cli\u003eCompare the original final-drive sprockets with \u003cstrong\u003e15T front \/ 40T rear\u003c\/strong\u003e, and check chain series \u003cstrong\u003e520\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eCheck the original chain-length specification and the replacement chain connection method before disassembling the motorcycle.\u003c\/li\u003e\n\u003cli\u003eConfirm the exact OEM revision and local production-year application from the Royal Enfield EPC or dealer if your motorcycle has had drive-train modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhen should the chain and sprockets be inspected or replaced?\u003c\/h2\u003e\u003cp\u003eHave the final drive inspected if the chain repeatedly needs adjustment, has tight or seized sections, exhibits unusual noise, or if sprocket teeth show pronounced hooked, sharp or uneven wear. Chain slack alone is not enough to diagnose replacement need; inspect the complete drivetrain against the Royal Enfield workshop\/owner manual and its service limits.\u003c\/p\u003e\u003ch2\u003eInstallation and safety\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eProfessional installation is recommended; final-drive failure can be hazardous.\u003c\/li\u003e\n\u003cli\u003eUse the correct chain joining procedure for the actual chain supplied. Confirm whether an appropriate connecting\/rivet link is included before installation.\u003c\/li\u003e\n\u003cli\u003eFollow the Bear 650 service manual for chain tension, axle alignment, wheel fasteners and front-sprocket retention; no unverified torque specifications are provided here.\u003c\/li\u003e\n\u003cli\u003eInspect the chain slider\/guide, rear wheel hub\/cush rubbers, wheel bearings and sprocket carrier as appropriate. These are not stated as included in this kit.\u003c\/li\u003e\n\u003cli\u003eRecheck chain tension and wheel alignment after assembly and according to the maintenance schedule.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat this kit does not claim to include\u003c\/h2\u003e\u003cp\u003eNo chain lubricant, chain cleaner, chain guide, cush-drive rubbers, chain breaking\/riveting tool, axle hardware or separate chain link is claimed as supplied unless verified from the physical sealed package. This is not a complete rear-wheel or gearbox repair kit.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eDoes this kit fit the Royal Enfield Bear 650?\u003c\/h3\u003e\u003cp\u003eKAA00190\/A is described in the supplied genuine-parts breakdown as the Bear 650 chain and sprocket kit. Confirm the VIN-specific OEM application before ordering.\u003c\/p\u003e\u003ch3\u003eWhat are the front and rear sprocket sizes?\u003c\/h3\u003e\u003cp\u003e15 teeth at the front and 40 teeth at the rear, using 520-series chain.\u003c\/p\u003e\u003ch3\u003eIs the chain included?\u003c\/h3\u003e\u003cp\u003eYes. The supplied kit breakdown lists one drive-chain component, part RAR00390\/B, with OEM description 520, 105 link.\u003c\/p\u003e\u003ch3\u003eIs a chain connecting or master link included?\u003c\/h3\u003e\u003cp\u003eA connecting link is not separately shown in the provided five-line component breakdown. Confirm the contents of the sealed chain packet and joining method before installation.\u003c\/p\u003e\u003ch3\u003eIs this a genuine Royal Enfield kit or an aftermarket ROLON kit?\u003c\/h3\u003e\u003cp\u003eThis listing is for the genuine Royal Enfield kit identified as KAA00190\/A and its listed OEM components. It is not offered as a ROLON aftermarket kit.\u003c\/p\u003e\u003ch3\u003eWill it fit the regular Interceptor 650 or Continental GT 650?\u003c\/h3\u003e\u003cp\u003eDo not assume that it will. Both are separate model applications and may use different chain length or kit parts; use their own OEM kit reference.\u003c\/p\u003e\u003ch3\u003eCan I use this kit to change the gearing?\u003c\/h3\u003e\u003cp\u003eIt is specified for the Bear 650 standard 15T front \/ 40T rear gearing, not as an altered-ratio upgrade.\u003c\/p\u003e\u003ch3\u003eAre the front sprocket nut and locking washer included?\u003c\/h3\u003e\u003cp\u003eThe provided kit breakdown lists one 574267\/C front sprocket M20 nut and one 574266\/C M20 tab washer.\u003c\/p\u003e\u003ch3\u003eDoes one order contain two sprockets?\u003c\/h3\u003e\u003cp\u003eThe provided breakdown lists one 15T front drive sprocket and one 40T rear drive sprocket, plus the chain and specified retaining hardware.\u003c\/p\u003e\u003ch3\u003eDoes the kit cover all Bear 650 production years?\u003c\/h3\u003e\u003cp\u003eThe product is identified for Bear 650, but exact production-year and VIN-specific coverage should be confirmed against the current Royal Enfield EPC.\u003c\/p\u003e\u003ch3\u003eWhat should I check before ordering?\u003c\/h3\u003e\u003cp\u003eVerify the complete KAA00190\/A kit number, the bike VIN, 520 chain series, sprocket tooth counts and exact original chain connection specification.\u003c\/p\u003e\u003ch3\u003eShould the chain and both sprockets be changed together?\u003c\/h3\u003e\u003cp\u003eThey are commonly serviced together where worn; have the complete drive inspected and follow the Royal Enfield maintenance criteria.\u003c\/p\u003e\u003ch2\u003eOrdering and return-prevention information\u003c\/h2\u003e\u003cp\u003eConfirm the exact kit number and model\/VIN compatibility before purchase. Correctly supplied spare parts are generally not returnable for incorrect selection, diagnosis, mechanic recommendation or change of mind once processed as described in Under The Hood policies. Record a continuous unboxing video and report any shortage, damage or incorrect item promptly within 24 hours of delivery in accordance with the store policy. Do not open or install parts before resolving an identity or compatibility concern.\u003c\/p\u003e\u003ch2\u003eBuyer search names\u003c\/h2\u003e\u003cp\u003eRoyal Enfield Bear 650 chain sprocket kit; Interceptor Bear 650 chain kit; Bear 650 drive chain set; Bear 650 chain and sprocket replacement; genuine Bear 650 chain kit KAA00190\/A; Bear 650 15T 40T sprocket set; Bear 650 520 chain; original Bear 650 chain sprocket assembly.\u003c\/p\u003e\u003ch2\u003eReference part numbers\u003c\/h2\u003e\u003cp\u003eKit KAA00190\/A | Washer 574266\/C | Nut 574267\/C | Chain RAR00390\/B | Rear sprocket RAT00472\/D | Front sprocket RLL00096\/C.\u003c\/p\u003e","brand":"Royal Enfield","offers":[{"title":"Default Title","offer_id":52488443592999,"sku":"KAA00190\/A","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-bear-650-chain-sprocket-kit-kaa00190-a","provider":"UNDER THE HOOD","version":"1.0","type":"link"}