{"product_id":"naraku-gasket-set-for-52-4mm-cylinder-kit-137-28","title":"Naraku Gasket Set for 52.4mm Cylinder Kit","description":"\u003cp\u003eThe \u003cstrong\u003eNaraku 52.4mm Replacement Gasket Set\u003c\/strong\u003e is specifically engineered for the Naraku high-compression 89cc Big Bore Kits (BBK) on the 139QMB engine platform. When performing top-end maintenance or installing a new cylinder, using high-quality Naraku gaskets ensures a reliable seal and prevents power-robbing vacuum or compression leaks.\u003c\/p\u003e\u003cp\u003eThis kit includes the essential top-end gaskets required for a 52.4mm bore, including the cylinder head gasket and base gasket. \u003cem\u003eNote: Packaging and non-metal gaskets may vary in appearance from the product photo.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Bore Size:\u003c\/strong\u003e 52.4mm (89cc Displacement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e GY6 50cc 4-Stroke (QMB139 \/ 1P39QMB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-temperature composite and metal head gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Head Gasket, Base Gasket, and Tensioner Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePopular Model Fitment:\u003c\/h3\u003e\u003cp\u003eThis gasket set is a direct replacement for scooters already equipped with a \u003cstrong\u003e52.4mm Naraku Big Bore Kit\u003c\/strong\u003e, commonly used as a performance upgrade for these models:\u003c\/p\u003e\u003ch4\u003eTao Motor \/ TaoTao\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATM50-A1 \/ Pony 50:\u003c\/strong\u003e The most common platform for 89cc upgrades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeedy 50 \/ VIP Future Champion:\u003c\/strong\u003e Fits all QMB139-equipped sport models.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWolf Brand Scooters\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRX-50 \/ Islander 50:\u003c\/strong\u003e Popular for performance tuning with Naraku components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlaze 50:\u003c\/strong\u003e Standard QMB139 architecture compatible with this set.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIce Bear \u0026amp; Amigo\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIce Bear Rocket \/ Q6:\u003c\/strong\u003e Fits all 50cc-labeled \"Short Case\" or \"Long Case\" engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmigo Rocky \/ J-50:\u003c\/strong\u003e Ensures a perfect seal for upgraded 4-stroke 50cc engines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eHonda \u0026amp; Kymco (4-Stroke 50cc)\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHonda Metropolitan (2013-Present):\u003c\/strong\u003e Only for models converted to 139QMB-style BBK.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKymco Agility 50 \/ People 50:\u003c\/strong\u003e Compatible with 52.4mm engine conversions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This gasket set is NOT for stock 39mm (50cc) or 47mm (72cc\/80cc) engines. Please verify your cylinder bore diameter before ordering.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNotice:\u003c\/strong\u003e This product is intended for off-road or racing use only. \u003c\/em\u003e\u003c\/p\u003e\u003cul\u003e\u003c\/ul\u003e\u003ch3 style=\"color: #983d3c;\"\u003eThis product is not intended for use on public roads or land.\u003c\/h3\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":49985982955800,"sku":"137-28","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/447428.jpg?v=1772470032","url":"https:\/\/www.scooterworks.com\/products\/naraku-gasket-set-for-52-4mm-cylinder-kit-137-28","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}