87531-ZV1-C20 Oil Caution Label - Overview. The 87531-ZV1-C20 Oil Caution Label is a critical warning decal designed specifically for Honda marine engine systems. This label provides essential safety instructions regarding the proper type and level of oil required for reliable marine engine operation. It supports the lubrication system by alerting users to necessary oil caution warnings, thereby helping to prevent engine damage related to improper oil use. As an OEM genuine Honda component, it e