Mercury - Decal Set Cowling Graphics Kit Marine Adhesive Finish 8M0170757. Overview. When you rely on a small Mercury outboard-whether it's a hardworking 15hp SeaPro pushing a skiff or a quiet 9.9hp EFI ProKicker steering you along a weedline-you come to appreciate the little things. One of those small but surprisingly meaningful details is how the engine looks. After seasons of sun, spray, and gritty dock rash, the cowling decals start to fade or peel, even though the engine underneath is still