{"title":"Crankshafts GY6 50 139QMB","description":"","products":[{"product_id":"replacement-crankshaft-gy6-50cc-139qmb-qma","title":"Replacement Crankshaft GY6 50cc 139QMB \/ QMA (16 Teeth)","description":"\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eGenuine quality replacement crank for 50\/90cc 4-stroke engines (GY6 50, 139QMB\/QMA). The crank is pre-pressed with main bearings and connecting rod. GY6 engines are factory fitted with 2 different crank versions. The only difference is the oil pump drive sprocket on the right side. The old version, installed in almost all vehicles, has a 16-tooth sprocket. The new version has 22 teeth and is used for example on Rex models. For added assurance, count the number of teeth on your cog and reference yourself with the image provided.\u003c\/span\u003e\u003c\/p\u003e\n\n \u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003eGenuine quality replacement crank for 50\/90cc 4-stroke engines (GY6 50, 139QMB\/QMA). The crank is pre-pressed with main bearings and connecting rod. GY6 engines are factory fitted with 2 different crank versions. The only difference is the oil pump drive sprocket on the right hand side. The old version, fitted in almost all vehicles, has a 16 tooth sprocket. The new version has 22 teeth and is used for example on Rex models. For greater certainty, count the number of teeth on your cog and reference yourself with the image provided.\u003c\/span\u003e\u003c\/p\u003e","brand":"101 Octane","offers":[{"title":"Default Title","offer_id":42583030694067,"sku":"BT7001-16","price":93.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/Replacement_Crankshaft_GY6_50cc_139QMB_QMA.jpg?v=1770242385"},{"product_id":"woodruff-key-gy6-50cc-13x2-5x3mm","title":"Woodruff Key GY6 50cc (13x2.5x3mm)","description":"\u003cp\u003e \u003cspan data-mce-fragment=\"1\"\u003eShim for positioning the alternator rotor on the crankshaft.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eLength: 13mm,\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eWidth: 3mm,\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e \u003cspan data-mce-fragment=\"1\"\u003eHeight: 2.5mm.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e Shim for positioning the alternator rotor on the crankshaft.\u003c\/p\u003e\n\n\u003cp\u003e Length: 13mm,\u003cbr\u003e Width: 3mm,\u003cbr\u003e Height: 2.5mm.\u003c\/p\u003e","brand":"101 Octane","offers":[{"title":"Default Title","offer_id":42685822861491,"sku":"BT13876","price":6.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/Woodruff_Key_GY6_50cc_13x2.5x3mm.jpg?v=1770242346"},{"product_id":"engine-oil-seal-kit-naraku-gy6-50-139qmb","title":"Engine Oil Seal Kit Naraku GY6 50 139QMB","description":"\u003cp data-mce-fragment=\"1\"\u003e Naraku produces tuning and racing parts for scooters and maxi scooters. Although its initial focus was on the popular GY6 engines, the brand now offers parts for all types of two-wheelers.\u003c\/p\u003e\n\n \u003cp data-mce-fragment=\"1\"\u003eNever neglect a faulty seal, they are all essential to the operation of your machine and not replacing them could lead to more serious breakdowns.\u003c\/p\u003e\n\n\u003cp data-mce-fragment=\"1\"\u003e Naraku produces tuning and racing parts for scooters and maxiscooters. Although its initial specialty was the popular GY6 engines, the brand now offers parts for all types of two-wheelers.\u003cbr\u003e\u003cbr\u003e Never neglect a defective seal, they are all essential to the operation of your machine and not replacing them could cause more serious breakdowns.\u003c\/p\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":42752489226419,"sku":"NK102.03","price":10.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/249741_2984595.jpg?v=1774545944"},{"product_id":"crankshaft-gy6-50cc-4-stroke-22-teeth","title":"Crankshaft Teknix GY6 50 139QMB (22 Teeth)","description":"\u003cp\u003eThis crankshaft is a great alternative to replacing your faulty original crankshaft. It features a high-quality finish and balance, ensuring reliable operation at all engine speeds.\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eThe crankshaft is an essential element for the proper functioning of a scooter, whether it is equipped with a 2-stroke or 4-stroke engine. The\u003c\/span\u003e longevity of your engine will depend on its condition \u003cspan\u003e, but also on its assembly.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e -The timing chain drive sprocket is made up of 22 teeth.\u003c\/p\u003e\n\n\u003cp\u003e Crankshaft OEM quality GY6 (4-stroke) 139QMA \/ 139QMB \u003cspan\u003ewith 22 teeth, low-priced replacement crankshaft for your old\/damaged\/worn one. The crankshaft is pre-pressed and comes with main bearings and connecting rod.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003cspan\u003eThe crankshaft is one of the main components of the engine and is responsible for the smooth operation of motorcycle, scooter and moped, whether with two-stroke or four-stroke engine.\u003c\/span\u003e\u003c\/p\u003e","brand":"Teknix","offers":[{"title":"Default Title","offer_id":44207886205107,"sku":"MF30.13901","price":141.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/MF30.13901-Crankshaft-Teknix-engine-scooter-Cyclomoteur-22teeth-gear-bearing.png?v=1770242610"},{"product_id":"vilebrequin-jasil-22-dents-gy6-50cc-139qmb","title":"Crankshaft Jasil 22 teeth - GY6 50cc 139QMB","description":"\u003cp data-start=\"552\" data-end=\"754\"\u003eThe Jasil 22-tooth crankshaft for GY6 50cc 139QMB engines is designed to effectively replace the original crankshaft while offering excellent durability and high manufacturing precision.\u003c\/p\u003e\n\u003cp data-start=\"756\" data-end=\"1013\"\u003eFeaturing a \u003cstrong data-start=\"779\" data-end=\"791\"\u003e22-tooth\u003c\/strong\u003e gear, this model is intended for compatible GY6 50cc engines requiring this specific configuration. It is an ideal solution for engine rebuilding or replacing a worn or damaged crankshaft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong data-start=\"1015\" data-end=\"1039\"\u003eGains and advantages:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"1015\" data-end=\"1228\"\u003eHigh-quality Jasil crankshaft\u003cbr data-start=\"1076\" data-end=\"1079\"\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1015\" data-end=\"1228\"\u003e22-tooth configuration\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1015\" data-end=\"1228\"\u003eDirect replacement for the original\u003cbr data-start=\"1140\" data-end=\"1143\"\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1015\" data-end=\"1228\"\u003eExcellent resistance to mechanical stress\u003cbr data-start=\"1193\" data-end=\"1196\"\u003e\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1015\" data-end=\"1228\"\u003eIncreased reliability of the lower engine\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\n\u003cdiv class=\"\" data-turn-id-container=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-85\" data-is-intersecting=\"true\"\u003e\n\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-85\" data-turn-id-container=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-85\" data-testid=\"conversation-turn-655\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3fa813c8-7f07-4fd3-85d1-a60cdea6e83b\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\n\u003cp data-start=\"2096\" data-end=\"2345\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2096\" data-end=\"2117\"\u003eCommon terms:\u003c\/strong\u003e\u003cbr\u003eJasil Crankshaft, GY6 Crankshaft, 139QMB Crankshaft, 22 Tooth Crankshaft, Crankshaft Jasil, GY6 Crankshaft, 139QMB Crankshaft, Scooter Crankshaft, Engine Crankshaft, GY6 Lower Engine, GY6 50cc Crankshaft, 22 Tooth Crankshaft.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Jasil","offers":[{"title":"Default Title","offer_id":45567338971315,"sku":"6030122","price":190.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/Vilebrequin_Jasil_22_dents_-_GY6_50cc_139QMB_-_6030122.jpg?v=1781107120"},{"product_id":"vilebrequin-naraku-hd-16-dents-gy6-50cc","title":"Naraku HD 16-tooth Crankshaft (GY6 50cc)","description":"\u003cp data-start=\"388\" data-end=\"770\"\u003eThe \u003cstrong data-start=\"391\" data-end=\"447\"\u003eNaraku HD 16-tooth crankshaft for GY6 50cc engine\u003c\/strong\u003e is designed to replace the original crankshaft while offering superior strength for stock and high-performance engines. Thanks to its \u003cstrong data-start=\"622\" data-end=\"641\"\u003eHeavy Duty (HD)\u003c\/strong\u003e design and precision balancing, it ensures smoother operation, improved reliability, and excellent longevity.\u003c\/p\u003e\n\u003cp data-start=\"772\" data-end=\"914\"\u003eEquipped with a \u003cstrong data-start=\"784\" data-end=\"806\"\u003e16-tooth sprocket\u003c\/strong\u003e, this crankshaft is ideal for \u003cstrong data-start=\"850\" data-end=\"881\"\u003eGY6 50cc (139QMB \/ 139QMA)\u003c\/strong\u003e engines requiring this configuration.\u003c\/p\u003e\n\u003cp data-start=\"916\" data-end=\"940\"\u003e\u003cstrong data-start=\"916\" data-end=\"940\"\u003eGains and advantages:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"942\" data-end=\"1275\"\u003e\n\n\u003cli data-section-id=\"1nxouw\" data-start=\"942\" data-end=\"997\"\u003eHeavy Duty (HD) design for increased strength\u003c\/li\u003e\n\n\u003cli data-section-id=\"11qo6dt\" data-start=\"998\" data-end=\"1049\"\u003ePrecision balancing reduces vibrations\u003c\/li\u003e\n\n\u003cli data-section-id=\"1p4diht\" data-start=\"1050\" data-end=\"1086\"\u003eExcellent reliability at high RPMs\u003c\/li\u003e\n\n\u003cli data-section-id=\"px3r0u\" data-start=\"1087\" data-end=\"1131\"\u003eSupports stock and tuned engines\u003c\/li\u003e\n\n\u003cli data-section-id=\"6beth5\" data-start=\"1132\" data-end=\"1177\"\u003eHeat-treated high-strength steel\u003c\/li\u003e\n\n\u003cli data-section-id=\"ik5bnq\" data-start=\"1178\" data-end=\"1199\"\u003eLong lifespan\u003c\/li\u003e\n\n\u003cli data-section-id=\"e189o5\" data-start=\"1200\" data-end=\"1246\"\u003eDirect replacement for the original crankshaft\u003c\/li\u003e\n\n\u003cli data-section-id=\"9st2wt\" data-start=\"1247\" data-end=\"1275\"\u003eRecognized Naraku quality\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\n\u003cdiv class=\"\" data-turn-id-container=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-224\" data-is-intersecting=\"true\"\u003e\n\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-224\" data-turn-id-container=\"request-69d7a96b-ab7c-8333-a9ea-1c17058365e7-224\" data-testid=\"conversation-turn-1384\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c4d15731-572e-43a4-80d8-07ec9fe183af\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\n\u003cp data-start=\"2390\" data-end=\"2411\"\u003e\u003cstrong data-start=\"2390\" data-end=\"2411\"\u003eCommon terms:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"2413\" data-end=\"2751\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eNaraku Crankshaft, HD Naraku Crankshaft, GY6 Crankshaft, 139QMB Crankshaft, 139QMA Crankshaft, 16 Tooth Crankshaft, Crankshaft Naraku, Heavy Duty Crankshaft, GY6 Crankshaft, 139QMB Crankshaft, 139QMA Crankshaft, Performance Crankshaft, Forged Crankshaft, Scooter Crankshaft, Engine Crankshaft, Bottom End Parts, Naraku Engine Parts.\u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":45634367488179,"sku":"NK100.81","price":209.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6057\/0291\/files\/Vilebrequin_Naraku_HD_16_dents_GY6_50cc_-_NK100.81.webp?v=1783006589"}],"url":"https:\/\/secretimport.com\/en-us\/collections\/crankshafts-gy6-50-139qmb.oembed","provider":"Secret Import ","version":"1.0","type":"link"}