{"product_id":"universal-parts-horizontal-honda-style-cyl-head-kit-110cc-290-257-110","title":"110cc Horizontal Honda-Style Top End Kit: Cylinder \u0026 Head","description":"\u003ch2\u003eComplete Engine Refresh: 110cc Horizontal Honda-Style Top End Kit\u003c\/h2\u003e\u003cp\u003eRestore your engine’s compression and power with the \u003cstrong\u003eUniversal Parts Complete 110cc Cylinder and Head Assembly\u003c\/strong\u003e. Engineered for the ubiquitous \"Honda-style\" horizontal engine platform, this all-in-one kit provides a professional-grade solution for engine seizures, oil consumption, or general loss of performance. From the precision-honed 52mm bore to the pre-assembled cylinder head, every component is manufactured to strict tolerances to ensure a direct, reliable bolt-on installation.\u003c\/p\u003e\u003ch3\u003eComprehensive \"Master Rebuild\" Kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Cylinder Head:\u003c\/strong\u003e Fully assembled with valves, springs, and seals—saving you hours of labor and the need for specialized valve compression tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e52mm Precision Cylinder:\u003c\/strong\u003e Cast from high-grade iron for superior heat dissipation and long-term durability in air-cooled environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Piston Assembly:\u003c\/strong\u003e Includes a lightweight aluminum alloy piston, high-tension rings, a 13mm wrist pin, and secure circlips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Gasket Set:\u003c\/strong\u003e Features the critical head gasket and base gasket to ensure a leak-free, high-compression seal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis kit is designed for the \u003cstrong\u003eHorizontal 110cc 4-Stroke\u003c\/strong\u003e engine platform commonly found in ATVs, Dirt Bikes, and Pit Bikes:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eVehicle Category\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Brands (Typical)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eATVs \u0026amp; Quads\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao, Coolster, Mountopz, Peace Sports (110cc Models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePit Bikes \/ Dirt Bikes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSSR, Apollo, Piranha, Thumpstar (110cc Horizontal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClassic Restorations\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits various Honda Trail 70 \/ CT70 110cc displacements\/swaps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 110cc (Horizontal Layout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Bore:\u003c\/strong\u003e 52mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pin Diameter:\u003c\/strong\u003e 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Type:\u003c\/strong\u003e Air Cooled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 4-Stroke Single Cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eInstallation Tip:\u003c\/strong\u003e Before installing, ensure the ring gaps are staggered 120 degrees apart and apply a light coat of \u003cstrong\u003e\u003ca href=\"https:\/\/www.scooterworks.com\"\u003e4-Stroke Engine Oil\u003c\/a\u003e\u003c\/strong\u003e to the cylinder walls to prevent a dry start.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 290-257-110 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Universal Parts\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cspan style=\"color: rgb(209, 39, 5);\"\u003e\u003cb\u003eThis product is not intended for use on public roads or land.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cu\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/sites\/default\/files\/downloads\/factsheets\/motor_vehicle_parts_fact_sheet.pdf\"\u003eWARNING: California’s Proposition 65\u003c\/a\u003e\u003c\/u\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":50006493233432,"sku":"290-257-110","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/451758.jpg?v=1745501646","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-horizontal-honda-style-cyl-head-kit-110cc-290-257-110","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}