Chinese 50cc 139QMB Complete Engine Gasket Set

Complete 139QMB Engine Gasket Set Eliminate leaks and restore engine compression with the Universal Parts Complete 50cc Engine Gasket Set . Whether you are performing a top-end refresh or a full crankcase split, this comprehensive kit provides every seal and gasket required to properly close up a 50cc 4-stroke engine. Designed to meet or exceed OEM specifications, these gaskets are manufactured from high-density materials that resist the heat and chemical breakdown common in air-cooled scooter engines. Comprehensive Component List Engine Case Gaskets: Includes the center crankcase and stator/magneto cover gaskets. Top-End Seals: Features the cylinder head gasket, base gasket, and valve cover seal. CVT & Transmission: Includes a high-quality CVT cover gasket tailored for your specific case length. Exhaust & Intake: Comes with a crush-style exhaust gasket and the intake manifold spacer O-ring. Sizing Guide & Selection QMB139 engines come in multiple configurations. Please use the Drop-Down Menus above to select the correct size for your build: Bore Size (Head Gasket) Recommended For 44mm Stock 50cc Engines 48mm 72cc / 80cc Big Bore Kits Case Type (CVT Gasket) Measurement Details Short Case (SC) 15 11/16" (398mm) Length | 8-Bolt Pattern Long Case (LC) 17" (432mm) Length | 11-Bolt Pattern Installation Tip: Always ensure the engine mating surfaces are scraped perfectly clean and free of old gasket material before installing the new set. Vendor: Universal Parts Engine Type: GY6 50cc 4-Stroke (QMB139 / 1P39QMB)