{"product_id":"royal-enfield-j-series-350-tappet-nut-tool-st-31027-a","title":"Royal Enfield Classic \/ Hunter \/ Meteor \/ Bullet 350 J-Series Tappet Nut Tool ST-31027\/A","description":"\u003ch1\u003eRoyal Enfield Classic \/ Hunter \/ Meteor \/ Bullet 350 J-Series Tappet Nut Tool ST-31027\/A\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003eRoyal Enfield ST-31027\/A Tappet Nut Tool\u003c\/strong\u003e is a genuine Royal Enfield special service tool used during tappet \/ valve-clearance service work on catalogue-matched J-Series 350 motorcycles. It is commonly searched as a tappet nut wrench, tappet tool, valve adjustment tool, valve clearance tool, J-Series 350 tappet tool or Royal Enfield special tool ST31027.\u003c\/p\u003e\n\n\u003ch2\u003eShort Hook\u003c\/h2\u003e\n\u003cp\u003eGenuine Royal Enfield tappet nut tool for J-Series 350 valve-clearance service where ST-31027\/A or ST31027 is specified in the special tools catalogue.\u003c\/p\u003e\n\n\u003ch2\u003eWhat This Product Is\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGenuine Royal Enfield special service tool\u003c\/li\u003e\n  \u003cli\u003ePart number: \u003cstrong\u003eST-31027\/A\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eBase\/search number: \u003cstrong\u003eST31027\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eFactory description: \u003cstrong\u003eTappet Nut Tool\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eWorkshop tool used during tappet \/ valve-clearance adjustment work\u003c\/li\u003e\n  \u003cli\u003eRelevant for catalogue-matched Royal Enfield J-Series 350 special-tool applications\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 tappet adjusting nut\u003c\/li\u003e\n  \u003cli\u003eNot a valve, rocker arm, tappet screw or engine spare part\u003c\/li\u003e\n  \u003cli\u003eNot a feeler gauge\u003c\/li\u003e\n  \u003cli\u003eNot a complete DIY tool kit\u003c\/li\u003e\n  \u003cli\u003eNot a cam timing lock tool or crank lock tool\u003c\/li\u003e\n  \u003cli\u003eNot a universal Royal Enfield tappet tool for every engine family\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eOriginal Royal Enfield special tool number ST-31027\/A\u003c\/li\u003e\n  \u003cli\u003eFactory-listed as Tappet Nut Tool\u003c\/li\u003e\n  \u003cli\u003eHelps in correct tappet \/ valve-clearance service procedures\u003c\/li\u003e\n  \u003cli\u003eUseful for mechanics and workshops working on J-Series 350 engines\u003c\/li\u003e\n  \u003cli\u003eReduces the need for incorrect makeshift tools during tappet service\u003c\/li\u003e\n  \u003cli\u003eLightweight workshop tool, not a motorcycle-fitted spare part\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuyer Search Names \/ Internal Search Keywords\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield ST-31027\/A, ST31027, ST31027A, ST31027\/A, tappet nut tool, tappet nut wrench, tappet tool, valve adjustment tool, valve clearance tool, Classic 350 Reborn tappet tool, Hunter 350 tappet tool, Meteor 350 tappet tool, Bullet 350 J-Series tappet tool, J-Series 350 special tool.\u003c\/p\u003e\n\n\u003ch2\u003eConfirmed Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel \/ Engine Family\u003c\/th\u003e\n      \u003cth\u003eGeneration\u003c\/th\u003e\n      \u003cth\u003eTool Use Status\u003c\/th\u003e\n      \u003cth\u003eImportant Note\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield Classic 350 Reborn\u003c\/td\u003e\n      \u003ctd\u003eJ-Series 350\u003c\/td\u003e\n      \u003ctd\u003eUse where ST-31027\/A \/ ST31027 is listed in the special tools catalogue\u003c\/td\u003e\n      \u003ctd\u003eWorkshop service tool, not a fitted spare part\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield Hunter 350\u003c\/td\u003e\n      \u003ctd\u003eJ-Series 350\u003c\/td\u003e\n      \u003ctd\u003eConfirmed in special tools catalogue references\u003c\/td\u003e\n      \u003ctd\u003eWorkshop service tool, not a fitted spare part\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield Meteor 350\u003c\/td\u003e\n      \u003ctd\u003eJ-Series 350\u003c\/td\u003e\n      \u003ctd\u003eConfirmed in special tools catalogue references\u003c\/td\u003e\n      \u003ctd\u003eWorkshop service tool, not a fitted spare part\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRoyal Enfield Bullet 350\u003c\/td\u003e\n      \u003ctd\u003eJ-Series 350 \/ 2023-on\u003c\/td\u003e\n      \u003ctd\u003eConfirmed in special tools catalogue references\u003c\/td\u003e\n      \u003ctd\u003eWorkshop service tool, not a fitted spare part\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFitment Not Confirmed \/ Check Before Ordering\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel \/ Engine\u003c\/th\u003e\n      \u003cth\u003eStatus\u003c\/th\u003e\n      \u003cth\u003eReason to Check\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGoan Classic 350\u003c\/td\u003e\n      \u003ctd\u003eCheck before ordering\u003c\/td\u003e\n      \u003ctd\u003eUse only where the latest service tool list specifies ST-31027\/A \/ ST31027.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAny export-only J-Series 350 variant\u003c\/td\u003e\n      \u003ctd\u003eCheck before ordering\u003c\/td\u003e\n      \u003ctd\u003eConfirm by VIN-based catalogue or workshop special-tool list.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOlder Classic 350 UCE \/ Bullet 350 UCE \/ Electra UCE\u003c\/td\u003e\n      \u003ctd\u003eNot confirmed\u003c\/td\u003e\n      \u003ctd\u003eDifferent engine family; do not assume common tappet tools.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInterceptor 650 \/ Continental GT 650 \/ other 650 models\u003c\/td\u003e\n      \u003ctd\u003eNot confirmed\u003c\/td\u003e\n      \u003ctd\u003eDifferent engine platform and different special tools.\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eNot Compatible \/ Do Not Order For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eClassic 350 UCE, Bullet 350 UCE, Electra UCE or Thunderbird UCE unless the special-tool list specifically confirms ST-31027\/A\u003c\/li\u003e\n  \u003cli\u003eHimalayan 411 \/ Himalayan 410 or Scram 411\u003c\/li\u003e\n  \u003cli\u003eHimalayan 450 or Guerrilla 450\u003c\/li\u003e\n  \u003cli\u003eInterceptor 650, Continental GT 650, Super Meteor 650, Shotgun 650, Bear 650 or Classic 650 unless the service tool list specifies this exact tool\u003c\/li\u003e\n  \u003cli\u003eCustomers looking for tappet adjusting nut 574184\/C\u003c\/li\u003e\n  \u003cli\u003eCustomers looking for a feeler gauge or complete tool kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number \/ Supersession Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUser-searched number: \u003cstrong\u003eST-31027\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eConfirmed full part number: \u003cstrong\u003eST-31027\/A\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eHitchcock’s parts book style reference may show the code as \u003cstrong\u003eST31027\u003c\/strong\u003e without slash\/suffix.\u003c\/li\u003e\n  \u003cli\u003eSearch variants: ST31027, ST31027A, ST31027\/A, ST-31027, ST-31027\/A.\u003c\/li\u003e\n  \u003cli\u003eNo interchange with other tappet tools or timing tools should be assumed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSimilar Parts Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart \/ Search Term\u003c\/th\u003e\n      \u003cth\u003eDescription\u003c\/th\u003e\n      \u003cth\u003eDo Not Confuse With\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eST-31027\/A\u003c\/td\u003e\n      \u003ctd\u003eTappet Nut Tool\u003c\/td\u003e\n      \u003ctd\u003eThis listing; workshop tool for tappet nut service\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e574184\/C\u003c\/td\u003e\n      \u003ctd\u003eTappet Adjusting Nut\u003c\/td\u003e\n      \u003ctd\u003eActual engine nut\/spare part, not the tool\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eST30949\u003c\/td\u003e\n      \u003ctd\u003eCam Timing TDC Lock Tool\u003c\/td\u003e\n      \u003ctd\u003eTiming tool, not tappet nut tool\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eST30922\u003c\/td\u003e\n      \u003ctd\u003eCrank Lock Tool\u003c\/td\u003e\n      \u003ctd\u003eCrank locking tool, not tappet nut tool\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKAA00055 \/ KAA00107\u003c\/td\u003e\n      \u003ctd\u003eJ-Series DIY tool \/ puncture kit\u003c\/td\u003e\n      \u003ctd\u003eTool kit, not this individual tappet nut tool\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhen Should This Be Used?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDuring tappet \/ valve-clearance adjustment on catalogue-matched J-Series 350 motorcycles\u003c\/li\u003e\n  \u003cli\u003eWhen the workshop manual or special tools list calls for ST-31027\/A \/ ST31027\u003c\/li\u003e\n  \u003cli\u003eWhen servicing the valve train and the tappet nut needs to be accessed correctly\u003c\/li\u003e\n  \u003cli\u003eWhen a workshop wants the correct Royal Enfield special tool instead of makeshift spanners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Related Parts to Check\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTappet adjusting nut 574184\/C if the nut is worn or being replaced\u003c\/li\u003e\n  \u003cli\u003eFeeler gauge set required for valve-clearance measurement\u003c\/li\u003e\n  \u003cli\u003eRocker cover \/ tappet cover gasket or seal if opened during service\u003c\/li\u003e\n  \u003cli\u003eWorkshop manual torque and clearance specifications for the exact motorcycle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 unit genuine Royal Enfield ST-31027\/A Tappet Nut Tool\u003c\/li\u003e\n  \u003cli\u003eTappet adjusting nuts, feeler gauge, gaskets, service manual and other tools are not included unless separately mentioned\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \/ Usage Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eThis is a workshop service tool and is not installed permanently on the motorcycle.\u003c\/li\u003e\n  \u003cli\u003eUse only according to the correct Royal Enfield service manual procedure.\u003c\/li\u003e\n  \u003cli\u003eValve-clearance work should be performed on the correct engine condition as specified by the workshop manual.\u003c\/li\u003e\n  \u003cli\u003eIncorrect tappet adjustment can cause engine noise, poor running or engine damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReturn-Prevention Note\u003c\/h2\u003e\n\u003cp\u003eOrder this part only if the required workshop tool is \u003cstrong\u003eST-31027\/A Tappet Nut Tool\u003c\/strong\u003e. This is not the tappet adjusting nut, not a valve, not a rocker arm, not a feeler gauge and not a complete tool kit. For non-J-Series models, confirm the exact special-tool number before ordering.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is Royal Enfield ST-31027\/A?\u003c\/h3\u003e\n\u003cp\u003eST-31027\/A is a genuine Royal Enfield tappet nut tool used as a workshop special tool during tappet \/ valve-clearance service work.\u003c\/p\u003e\n\n\u003ch3\u003eIs this fitted on the motorcycle?\u003c\/h3\u003e\n\u003cp\u003eNo. This is a service tool used during maintenance. It is not permanently fitted on the motorcycle.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit Classic 350 Reborn?\u003c\/h3\u003e\n\u003cp\u003eUse it for Classic 350 Reborn \/ J-Series only where the service tool catalogue or workshop procedure specifies ST-31027\/A \/ ST31027.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit Hunter 350?\u003c\/h3\u003e\n\u003cp\u003eYes, Hunter 350 special-tool catalogue references list ST31027 as the tappet nut tool.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit Meteor 350?\u003c\/h3\u003e\n\u003cp\u003eYes, Meteor 350 special-tool catalogue references list ST31027 as the tappet nut tool.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this fit Bullet 350 J-Series?\u003c\/h3\u003e\n\u003cp\u003eYes, 2023-on Bullet 350 special-tool catalogue references list ST31027 as the tappet nut tool.\u003c\/p\u003e\n\n\u003ch3\u003eIs this the same as tappet adjusting nut 574184\/C?\u003c\/h3\u003e\n\u003cp\u003eNo. ST-31027\/A is the tool. 574184\/C is the tappet adjusting nut\/spare part.\u003c\/p\u003e\n\n\u003ch3\u003eCan it be used for UCE Classic or Bullet?\u003c\/h3\u003e\n\u003cp\u003eDo not order for UCE models unless the workshop special-tool list specifically confirms ST-31027\/A. UCE and J-Series engines are different.\u003c\/p\u003e\n\n\u003ch3\u003eDoes it include a feeler gauge?\u003c\/h3\u003e\n\u003cp\u003eNo. This listing is only for the tappet nut tool. Feeler gauge and other tools are not included unless separately mentioned.\u003c\/p\u003e\n\n\u003ch2\u003eSEO Tags\u003c\/h2\u003e\n\u003cp\u003eRoyal Enfield, Genuine Royal Enfield Parts, Royal Enfield ST-31027\/A, ST-31027\/A, ST31027\/A, ST31027A, ST31027, ST-31027, Tappet Nut Tool, Tappet Nut Wrench, Tappet Tool, Valve Adjustment Tool, Valve Clearance Tool, J-Series 350 Tool, Royal Enfield Special Tool, Special Tool, Workshop Tool, Classic 350 Reborn, Classic 350 J-Series, Hunter 350, Meteor 350, Bullet 350 J-Series, J-Series 350\u003c\/p\u003e\n\n\u003ch2\u003eImage Alt Text Suggestions\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRoyal Enfield ST-31027\/A tappet nut tool for J-Series 350 Classic Hunter Meteor Bullet\u003c\/li\u003e\n  \u003cli\u003eRoyal Enfield J-Series 350 tappet nut wrench ST31027\u003c\/li\u003e\n  \u003cli\u003eRoyal Enfield valve adjustment tool ST-31027\/A for 350 J-Series engine\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: ST-31027\/A\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":51523061842215,"sku":"ST-31027\/A","price":0.0,"currency_code":"INR","in_stock":false}],"url":"https:\/\/underthehood.co.in\/products\/royal-enfield-j-series-350-tappet-nut-tool-st-31027-a","provider":"UNDER THE HOOD","version":"1.0","type":"link"}