Sierra 18-7770 Yamaha Carburetor Kit.In the kitNSS-Float Chamber GasketNSS-Screw, Pan HeadNSS-Needle Valve AssemblyNSS-Screw, Air AdjustingNSS-Washer, SpringNSS- Bush18-0775 Carburetor Mounting Gasket18-7066 FloatNSS-O-RingCompatible Brands & Part Numbers:ReplacesMercury Marine – 84456MReplaces Yamaha Outboard – 689-W0093-00-00, 689-W0093-01-00, 689-W0093-02-00