{"product_id":"royal-enfield-kickstart-layshaft-bush-112029","title":"Royal Enfield Kickstart Lay Shaft Bush (Gearbox) | Standard\/Electra 4S\/Lightning\/Machismo | 112029","description":"\u003cp data-start=\"228\" data-end=\"719\"\u003eIf your Royal Enfield’s kickstart feels rough, develops side-play, or the gearbox starts sounding “dry” or inconsistent during engagement, the \u003cstrong data-start=\"371\" data-end=\"429\"\u003eLay Shaft \/ Kickstart Lay Shaft Bush (Part No. 112029)\u003c\/strong\u003e is one of the small but critical wear items to inspect. This bush supports the lay shaft area associated with kickstart\/gearbox operation and helps maintain correct shaft alignment—reducing abnormal wear, noise, and uneven load on mating components. \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=\"721\" data-end=\"1088\"\u003eThis is a \u003cstrong data-start=\"731\" data-end=\"759\"\u003egenuine-spec replacement\u003c\/strong\u003e part number commonly referenced as \u003cstrong data-start=\"795\" data-end=\"842\"\u003e“Bush, Lay Shaft \/ Kickstart Layshaft Bush”\u003c\/strong\u003e. Replacing it at the right time can prevent repeat failures and improves long-term gearbox smoothness—especially on older Royal Enfield platforms where mechanical tolerances and kickstart usage are higher.\u003c\/p\u003e\n\u003cp data-start=\"1090\" data-end=\"1339\"\u003eImportant: this part number is \u003cstrong data-start=\"1121\" data-end=\"1205\"\u003efor older Royal Enfield model families listed in the Compatibility section below\u003c\/strong\u003e and is \u003cstrong data-start=\"1213\" data-end=\"1258\"\u003enot meant for J-Series, UCE, or 650 Twins\u003c\/strong\u003e unless you have a microfiche confirmation for your exact chassis\/engine variant.\u003c\/p\u003e\n\u003ch2 data-start=\"1341\" data-end=\"1365\"\u003eKey Features \u003c\/h2\u003e\n\u003cul data-start=\"1366\" data-end=\"1992\"\u003e\n\u003cli data-start=\"1366\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1368\" data-end=\"1479\"\u003eGenuine replacement specification for \u003cstrong data-start=\"1406\" data-end=\"1439\"\u003eRoyal Enfield Part No. 112029\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=\"1480\" data-end=\"1588\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1588\"\u003eCommonly listed as \u003cstrong data-start=\"1501\" data-end=\"1548\"\u003e“Bush, Lay Shaft \/ Kickstart Layshaft Bush”\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=\"1589\" data-end=\"1671\"\u003e\n\u003cp data-start=\"1591\" data-end=\"1671\"\u003eHelps restore correct shaft support\/alignment to reduce play and abnormal wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1672\" data-end=\"1740\"\u003e\n\u003cp data-start=\"1674\" data-end=\"1740\"\u003eImproves kickstart\/gearbox feel when worn bush is the root cause\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1741\" data-end=\"1817\"\u003e\n\u003cp data-start=\"1743\" data-end=\"1817\"\u003eRecommended during gearbox overhaul \/ preventive rebuild on older models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"1911\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1911\"\u003eCompact, cost-effective part that can prevent larger gearbox damage when replaced on time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1912\" data-end=\"1992\"\u003e\n\u003cp data-start=\"1914\" data-end=\"1992\"\u003eVerify fitment by \u003cstrong data-start=\"1932\" data-end=\"1964\"\u003emodel + year + engine family\u003c\/strong\u003e before ordering (see notes)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1994\" data-end=\"2050\"\u003eCompatibility Table \u003cspan style=\"color: rgb(240, 0, 0);\"\u003e(PLEASE CHECK PART NUMBER BEFORE PURCHASE)\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"2051\" data-end=\"2189\"\u003eFitment is compiled from dealer catalog fitment lists and cross-references for part number 112029. \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\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2191\" data-end=\"3517\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2191\" data-end=\"2284\"\u003e\n\u003ctr data-start=\"2191\" data-end=\"2284\"\u003e\n\u003cth data-start=\"2191\" data-end=\"2215\" data-col-size=\"sm\"\u003eModel (Royal Enfield)\u003c\/th\u003e\n\u003cth data-start=\"2215\" data-end=\"2235\" data-col-size=\"sm\"\u003eEngine \/ Platform\u003c\/th\u003e\n\u003cth data-start=\"2235\" data-end=\"2266\" data-col-size=\"sm\"\u003eYears (as listed by sources)\u003c\/th\u003e\n\u003cth data-start=\"2266\" data-end=\"2284\" data-col-size=\"sm\"\u003eFitment Status\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2304\" data-end=\"3517\"\u003e\n\u003ctr data-start=\"2304\" data-end=\"2441\"\u003e\n\u003ctd data-start=\"2304\" data-end=\"2336\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2306\" data-end=\"2335\"\u003eStandard 350 \/ Bullet 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2336\" data-end=\"2371\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"2371\" data-end=\"2426\" data-col-size=\"sm\"\u003e1995– (listed) \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\u003ctd data-start=\"2426\" data-end=\"2441\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2442\" data-end=\"2579\"\u003e\n\u003ctd data-start=\"2442\" data-end=\"2474\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2444\" data-end=\"2473\"\u003eStandard 500 \/ Bullet 500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2474\" data-end=\"2509\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"2509\" data-end=\"2564\" data-col-size=\"sm\"\u003e1990– (listed) \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\u003ctd data-start=\"2564\" data-end=\"2579\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2580\" data-end=\"2706\"\u003e\n\u003ctd data-start=\"2580\" data-end=\"2597\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2582\" data-end=\"2596\"\u003eElectra 4S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2597\" data-end=\"2632\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"2632\" data-end=\"2691\" data-col-size=\"sm\"\u003e2005–2010 (listed) \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\u003ctd data-start=\"2691\" data-end=\"2706\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2707\" data-end=\"2844\"\u003e\n\u003ctd data-start=\"2707\" data-end=\"2727\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2709\" data-end=\"2726\"\u003eLightning 500\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2727\" data-end=\"2762\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"2762\" data-end=\"2829\" data-col-size=\"sm\"\u003e2001–2002 \/ ~2000 (listed) \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\u003ctd data-start=\"2829\" data-end=\"2844\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2845\" data-end=\"2974\"\u003e\n\u003ctd data-start=\"2845\" data-end=\"2865\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2847\" data-end=\"2864\"\u003eLightning 535\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2865\" data-end=\"2900\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"2900\" data-end=\"2959\" data-col-size=\"sm\"\u003e2001–2002 (listed) \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\u003ctd data-start=\"2959\" data-end=\"2974\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2975\" data-end=\"3106\"\u003e\n\u003ctd data-start=\"2975\" data-end=\"2995\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2977\" data-end=\"2994\"\u003eMachismo A350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"2995\" data-end=\"3030\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"3030\" data-end=\"3091\" data-col-size=\"sm\"\u003e1999–2005 (listed) \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\u003ctd data-start=\"3091\" data-end=\"3106\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3107\" data-end=\"3241\"\u003e\n\u003ctd data-start=\"3107\" data-end=\"3124\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3109\" data-end=\"3123\"\u003eDeluxe 350\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3124\" data-end=\"3159\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"3159\" data-end=\"3226\" data-col-size=\"sm\"\u003eListed by dealer sources \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\u003ctd data-start=\"3226\" data-end=\"3241\" data-col-size=\"sm\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3242\" data-end=\"3380\"\u003e\n\u003ctd data-start=\"3242\" data-end=\"3264\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3244\" data-end=\"3263\"\u003eMachismo (1989)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3264\" data-end=\"3299\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"3299\" data-end=\"3355\" data-col-size=\"sm\"\u003e1989 (listed) \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\u003ctd data-start=\"3355\" data-end=\"3380\" data-col-size=\"sm\"\u003e❓ Not cross-confirmed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3381\" data-end=\"3517\"\u003e\n\u003ctd data-start=\"3381\" data-end=\"3401\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3383\" data-end=\"3400\"\u003eCampus (1997)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"3401\" data-end=\"3436\" data-col-size=\"sm\"\u003ePre-Unit platform (older series)\u003c\/td\u003e\n\u003ctd data-start=\"3436\" data-end=\"3492\" data-col-size=\"sm\"\u003e1997 (listed) \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\u003ctd data-start=\"3492\" data-end=\"3517\" data-col-size=\"sm\"\u003e❓ Not cross-confirmed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 data-start=\"3787\" data-end=\"3800\"\u003eVariants\u003c\/h2\u003e\n\u003cul data-start=\"3801\" data-end=\"3844\"\u003e\n\u003cli data-start=\"3801\" data-end=\"3844\"\u003e\n\u003cp data-start=\"3803\" data-end=\"3844\"\u003e\u003cstrong data-start=\"3803\" data-end=\"3818\"\u003eNo variants\u003c\/strong\u003e (single part): \u003cstrong data-start=\"3834\" data-end=\"3844\"\u003e112029\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"3846\" data-end=\"3886\"\u003eFAQs \u003c\/h2\u003e\n\u003col data-start=\"3887\" data-end=\"5031\"\u003e\n\u003cli data-start=\"3887\" data-end=\"4122\"\u003e\n\u003cp data-start=\"3890\" data-end=\"4122\"\u003e\u003cstrong data-start=\"3890\" data-end=\"3918\"\u003eWhat is 112029 used for?\u003c\/strong\u003e\u003cbr data-start=\"3918\" data-end=\"3921\"\u003eIt’s commonly referenced as a \u003cstrong data-start=\"3951\" data-end=\"3990\"\u003eLay Shaft \/ Kickstart Layshaft Bush\u003c\/strong\u003e used in the gearbox\/kickstart-related lay shaft support on older Royal Enfield 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\u003ca href=\"https:\/\/accessories.hitchcocksmotorcycles.com\/s.nl\/it.A\/id.342\/.f\" rel=\"noopener\" alt=\"https:\/\/accessories.hitchcocksmotorcycles.com\/s.nl\/it.A\/id.342\/.f\" class=\"flex h-4.5 overflow-hidden rounded-xl px-2 text-[9px] font-medium transition-colors duration-150 ease-in-out text-token-text-secondary! bg-[#F4F4F4]! dark:bg-[#303030]!\" target=\"_blank\"\u003e\u003cspan class=\"relative start-0 bottom-0 flex h-full w-full items-center\"\u003e\u003cspan class=\"flex h-4 w-full items-center justify-between\"\u003e\u003cspan class=\"max-w-[15ch] grow truncate overflow-hidden text-center\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cstrong data-start=\"4127\" data-end=\"4196\"\u003eWill this fit Classic 350 (UCE) or Classic 350 Reborn (J-Series)?\u003c\/strong\u003e\u003cbr data-start=\"4196\" data-end=\"4199\"\u003eNo—do \u003cstrong data-start=\"4205\" data-end=\"4212\"\u003enot\u003c\/strong\u003e order for UCE or J-Series unless you have an official parts-catalog confirmation for your exact model. This listing is for the older model families shown in the Compatibility table.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4398\" data-end=\"4610\"\u003e\n\u003cp data-start=\"4401\" data-end=\"4610\"\u003e\u003cstrong data-start=\"4401\" data-end=\"4455\"\u003eWhat symptoms suggest this bush needs replacement?\u003c\/strong\u003e\u003cbr data-start=\"4455\" data-end=\"4458\"\u003eTypical symptoms include kickstart roughness, abnormal play\/noise, inconsistent engagement feel, and accelerated wear found during gearbox inspection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4612\" data-end=\"4804\"\u003e\n\u003cp data-start=\"4615\" data-end=\"4804\"\u003e\u003cstrong data-start=\"4615\" data-end=\"4657\"\u003eIs professional installation required?\u003c\/strong\u003e\u003cbr data-start=\"4657\" data-end=\"4660\"\u003eRecommended. Installation generally involves gearbox-side access and correct sizing\/fitment practices; improper fitting can cause repeat wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4806\" data-end=\"5031\"\u003e\n\u003cp data-start=\"4809\" data-end=\"5031\"\u003e\u003cstrong data-start=\"4809\" data-end=\"4854\"\u003eHow do I confirm fitment before ordering?\u003c\/strong\u003e\u003cbr data-start=\"4854\" data-end=\"4857\"\u003eMatch your bike’s exact \u003cstrong data-start=\"4881\" data-end=\"4915\"\u003emodel + year + engine\/platform\u003c\/strong\u003e and compare against the Compatibility table; if your model is marked \u003cstrong data-start=\"4985\" data-end=\"4990\"\u003e❓\u003c\/strong\u003e, confirm via microfiche before purchase.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"UNDER THE HOOD","offers":[{"title":"Default Title","offer_id":50874061881639,"sku":null,"price":23.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/7447\/0183\/files\/ChatGPT_Image_Dec_2_2025_10_22_57_PM.png?v=1776599055","url":"https:\/\/underthehood.co.in\/products\/royal-enfield-kickstart-layshaft-bush-112029","provider":"UNDER THE HOOD","version":"1.0","type":"link"}