Engine Block Drain Plug Kit – Fits MerCruiser Marine Engines (Replaces 22-806608A02, 18-4226) Optimax which in turn controls the

which in turn controls the opening and closing of the carburetor's throttle butterfly

Alpha One identification decals

Remove the screws holding the pump cover plate in place

they are suitable for a wide range of applications across marine

225hp can use 2-Pipe but Left/Port side needs modification BF 250-350 4-Stroke 2-Pipe

Engine Block Drain Plug Kit – Fits MerCruiser Marine Engines (Replaces 22-806608A02, 18-4226) Optimax which in turn controls theEngine Block Drain Plug Kit Fits MerCruiser Marine Engines (Replaces 22 806608A02, 18 4226) This engine block drain plug kit features blue plastic, wing nut style drain plugs designed for winterizing or draining MerCruiser stern drive and inboard engines. They are used to drain water from the engine cylinder blocks and exhaust manifolds to prevent damage from freezing. These parts are direct replacements for Sierra 18 4226, MerCruiser 22 806608A02, 22