Replaces for the following OEM MPN's: 36R-11181-00-00,3PT-11351-00-00 NICHE PISTON An ATV piston is a component of engines, pumps, and gas compressors. Fitment: 40mm Top End Rebuild Kits Fit for Yamaha PW50 1981-2018; Top End Rebuild Kits Fit for Yamaha YT60 Tri-Zinger 1984 1985; Top End Rebuild Kits... This seal establishes a proper compression and prevents fluid leaks into the cylinders Base gaskets create a seal between the top-end of your engine and the engine cases. 10 Best yamaha qt50 big boe kit - May 2025 Tax excluded, add at checkout if applicablesquare plates set Baking Tray Plate Stainless Steel pan deep tray Grill Fish BBQ Food Container plate set Storage serving dish Compatible with the following brands: Yamaha The piston head is the top surface of the piston which is subjected to tremendous forces and heat during normal engine operation For 50cc Scooter Big Bore 44mm Piston Gasket Ring & Spark Plug Kit For Yamaha Y-Zinger Big Bore Kit It is located in a cylinder and is made gas-tight by piston rings. Compatible with the 1981-2009 2012-2017 Yamaha PW50 Y-Zinger High Quality Cast Aluminum Piston for Superior Quality and Performance As it passes around the camshafts, rockers, and valves, the gasket stops engine oil from seeping out. Some Types of Gaskets: Head gaskets create a seal between the engine block and cylinder head. Piston Components ATV Piston components include the piston head, piston pin bore, piston pin, skirt, ring grooves, ring lands, and piston rings. Some of the NICHE product categories include cylinders, brake pads, axles, off-road mirrors, and drive chains. The valve cover is sealed to the upper section of the engine cylinder head by a valve cover gasket. NICHE GASKET A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. Compatible with OEM Part Numbers Yamaha 18U-11631-00-A0, 18U-11635-00-00, 18U-11636-00-00, 36R-11631-00-A0 36R-11635-00-00, 36R-11636-00-00, 517-11181-01-00 36R-11181-00-00, 3PT-11351-00-00