Motorcycle Engine Cover Seal YZFR25 MT25 2015-2023 Fit For YZFR25 YZF-R25 2015-2023 MT-25 MT25 2016-2023; dedicated sealing gasket for motorcycle cylinder head matching engine mating surface die cut OEM shape with aligned bolt fluid passage holes; fits mounting position directly without or grinding multi-layer sealing plane blocks oil coolant penetration; maintains reliable tightness under long-time temperature operation composite blank material; integrated flat hot pressing craft; uniform smooth texture across the entire gasket surface OEM matched overall dimension consistent thickness; evenly distributes bolt clamping force to reduce gasket warping risk