Fit For Carburetor Manifold Boot For Yamaha Warrior 350 YFM350 ATV Motorcycle Spare Parts Fit For Yamaha Warrior 350 YFM350 ATV models produced from 1987 to 2004, matching For part dimensions 1UY-13586-01-00 1UY-13586-02-00 aligns with cylinder head carburetor flange hole layout, installs directly without or modifying engine surfaces Forms airtight sealing between carb port to eliminate vacuum leaks, stabilizing idle speed sharpening throttle response Constructed from heat-resistant reinforced black rubber, to gasoline, engine temperature mud under off-road use Built-in rigid reinforcement inside rubber body to resist deformation from engine vibration extend lifespan