{"product_id":"crank-center-labyrinth-seal-for-kawasaki-kh-series-kh250-kh350-kh400-4b-g-type-labyri-by-inoue-boring","title":"Crank Center Labyrinth Seal for Kawasaki KH Series (KH250\/KH350\/KH400) ,350SS– 4B\/G Type | LABYRI by INOUE BORING","description":"\u003cp data-end=\"245\" data-start=\"116\"\u003eThe \u003cstrong data-end=\"208\" data-start=\"120\"\u003ebiggest weakness of 2-stroke engines — center seal failure — has finally been solved\u003c\/strong\u003e with the \u003cstrong data-end=\"244\" data-start=\"218\"\u003eLABYRI labyrinth seal\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-end=\"161\" data-start=\"46\"\u003e\u003cstrong data-end=\"161\" data-start=\"105\"\u003e※Labyrinth seal only – other components not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"388\" data-start=\"247\"\u003eWith LABYRI, \u003cstrong data-end=\"317\" data-start=\"260\"\u003eyou no longer need to worry about center seal blowout\u003c\/strong\u003e.\u003cbr data-end=\"321\" data-start=\"318\"\u003eThanks to its innovative non-contact metal design, LABYRI provides:\u003c\/p\u003e\n\u003cul data-end=\"501\" data-start=\"390\"\u003e\n\u003cli data-end=\"416\" data-start=\"390\"\u003e\n\u003cp data-end=\"416\" data-start=\"392\"\u003e\u003cstrong data-end=\"414\" data-start=\"394\"\u003eZero energy loss\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"451\" data-start=\"417\"\u003e\n\u003cp data-end=\"451\" data-start=\"419\"\u003e\u003cstrong data-end=\"449\" data-start=\"422\"\u003eSharp throttle response\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"501\" data-start=\"452\"\u003e\n\u003cp data-end=\"501\" data-start=\"454\"\u003e\u003cstrong data-end=\"501\" data-start=\"457\"\u003eUltra-low resistance, free-spinning feel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"643\" data-start=\"503\"\u003eExperience a significant improvement in pickup and performance —\u003cbr data-end=\"570\" data-start=\"567\"\u003e\u003cstrong data-end=\"643\" data-start=\"570\"\u003eLABYRI eliminates the risks while maximizing your engine’s potential.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"643\" data-start=\"503\"\u003e\u003cstrong data-end=\"643\" data-start=\"570\"\u003e\u003cstrong data-end=\"104\" data-start=\"81\"\u003eProduct Information\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"317\" data-start=\"118\"\u003eThis is a \u003cstrong data-end=\"154\" data-start=\"128\"\u003efully original product\u003c\/strong\u003e developed by \u003cstrong data-end=\"184\" data-start=\"168\"\u003eINOUE BORING\u003c\/strong\u003e.\u003cbr data-end=\"188\" data-start=\"185\"\u003eThe version shown here is for the \u003cstrong data-end=\"251\" data-start=\"222\"\u003e4-bearing crankshaft type\u003c\/strong\u003e.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"432\" data-start=\"319\"\u003eAt the heart of this product is our proprietary \u003cstrong data-end=\"431\" data-start=\"367\"\u003enon-contact, all-metal labyrinth-style center seal — LABYRI\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul data-end=\"776\" data-start=\"434\"\u003e\n\u003cli data-end=\"543\" data-start=\"434\"\u003e\n\u003cp data-end=\"543\" data-start=\"436\"\u003e\u003cstrong data-end=\"452\" data-start=\"439\"\u003eZero wear\u003c\/strong\u003e – Because it’s non-contact, there is no friction, and thus no mechanical wear over time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"682\" data-start=\"544\"\u003e\n\u003cp data-end=\"682\" data-start=\"546\"\u003e\u003cstrong data-end=\"568\" data-start=\"548\"\u003eZero energy loss\u003c\/strong\u003e – The non-contact structure also means there's \u003cstrong data-end=\"644\" data-start=\"616\"\u003eno rotational resistance\u003c\/strong\u003e, enabling smoother engine response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"776\" data-start=\"683\"\u003e\n\u003cp data-end=\"776\" data-start=\"685\"\u003e\u003cstrong data-end=\"729\" data-start=\"689\"\u003eDurable, reliable, and built to last\u003c\/strong\u003e – Ideal for high-performance 2-stroke engines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"900\" data-start=\"778\"\u003eTrust LABYRI to eliminate the center seal issues that have plagued 2-stroke engines for decades — \u003cstrong data-end=\"899\" data-start=\"877\"\u003ewith no compromise\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-end=\"142\" data-start=\"102\"\u003e🔧 \u003cstrong data-end=\"142\" data-start=\"109\"\u003eKey Features \u0026amp; Selling Points\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-end=\"1095\" data-start=\"144\"\u003e\n\u003cli data-end=\"280\" data-start=\"144\"\u003e\n\u003cp data-end=\"280\" data-start=\"146\"\u003e\u003cstrong data-end=\"190\" data-start=\"148\"\u003eNo other seal kits exist on the market\u003c\/strong\u003e for early-model SS350 — this includes both reproduction parts and labyrinth-type seals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"430\" data-start=\"281\"\u003e\n\u003cp data-end=\"430\" data-start=\"283\"\u003eAllows you to \u003cstrong data-end=\"380\" data-start=\"300\"\u003econvert the crankshaft of KH400, KH250, and SS400 (or mid-model SS250\/SS350)\u003c\/strong\u003e to the \u003cstrong data-end=\"427\" data-start=\"388\"\u003elow-friction early-model SS350 spec\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"515\" data-start=\"431\"\u003e\n\u003cp data-end=\"515\" data-start=\"433\"\u003e\u003cstrong data-end=\"475\" data-start=\"436\"\u003eReduces the number of main bearings\u003c\/strong\u003e from 6 to 4 — saving on bearing costs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"590\" data-start=\"516\"\u003e\n\u003cp data-end=\"590\" data-start=\"518\"\u003e\u003cstrong data-end=\"546\" data-start=\"521\"\u003eNo machining required\u003c\/strong\u003e on the crankshaft — bolt-on compatibility\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"643\" data-start=\"591\"\u003e\n\u003cp data-end=\"643\" data-start=\"593\"\u003e\u003cstrong data-end=\"621\" data-start=\"596\"\u003eVisually sharp design\u003c\/strong\u003e with crisp contours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"712\" data-start=\"644\"\u003e\n\u003cp data-end=\"712\" data-start=\"646\"\u003e\u003cstrong data-end=\"676\" data-start=\"649\"\u003eAnodized surface finish\u003c\/strong\u003e for superior corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"786\" data-start=\"713\"\u003e\n\u003cp data-end=\"786\" data-start=\"715\"\u003e Inner shape faithfully matches the OEM spec as closely as possible\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"870\" data-start=\"787\"\u003e\n\u003cp data-end=\"870\" data-start=\"789\"\u003e\u003cstrong data-end=\"825\" data-start=\"792\"\u003eInner bore is left unanodized\u003c\/strong\u003e to maintain precise dimensional tolerances\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"941\" data-start=\"871\"\u003e\n\u003cp data-end=\"941\" data-start=\"873\"\u003e\u003cstrong data-end=\"899\" data-start=\"876\"\u003eNon-contact sealing\u003c\/strong\u003e means zero friction and smooth rotation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1022\" data-start=\"942\"\u003e\n\u003cp data-end=\"1022\" data-start=\"944\"\u003e\u003cstrong data-end=\"974\" data-start=\"947\"\u003eFull metal construction\u003c\/strong\u003e – no aging or deterioration like rubber seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1095\" data-start=\"1023\"\u003e\n\u003cp data-end=\"1095\" data-start=\"1025\"\u003eShipping cost is displayed during checkout (flat-rate within Japan)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1100\" data-start=\"1097\"\u003e\n\u003cp data-end=\"1205\" data-start=\"1102\"\u003e\u003cstrong data-end=\"1205\" data-start=\"1102\"\u003eProudly designed and produced by INOUE BORING – engineering precision for vintage 2-stroke engines.\u003c\/strong\u003e\u003c\/p\u003e","brand":"iNOUE BORING","offers":[{"title":"Default Title","offer_id":51626700669141,"sku":"","price":409.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0701\/2502\/7541\/files\/ib-store_rabyri_4.jpg?v=1750828965","url":"https:\/\/inoueboring.com\/products\/crank-center-labyrinth-seal-for-kawasaki-kh-series-kh250-kh350-kh400-4b-g-type-labyri-by-inoue-boring","provider":"iNOUE BORING","version":"1.0","type":"link"}