50529-ZZ3-000 Tilt Stopper - Overview. The 50529-ZZ3-000 Tilt Stopper is an essential component in Honda marine engine systems, specifically designed to restrict the tilt range of the outboard motor. By serving as a physical barrier, it prevents the motor from tilting beyond safe limits, thus protecting the engine and supporting safe vessel operation. It fits within the tilt and trim control system, ensuring the marine engine functions reliably without risk of damage due to excessive tilt.. Key