Even the toughest outboards rely on the smallest parts to hold up in harsh conditions - and the Yamaha Bolt Cover Mounting - 6S5-E118E-02-00 is one of those details that keeps your engine protected and looking sharp. This cover isn't just about appearances. It shields exposed mounting bolts from salt spray, corrosion, and the grime that builds up during long days on the water.. Precision-molded for select Yamaha outboards, it fits flush and stays put, even when pounding through chop or running wide open. Made from durable, UV-resistant materials, it resists cracking, fading, and the kind of wear that's all too common in harsh marine environments. Whether replacing a missing cover or swapping out one that's seen better days, this genuine Yamaha part keeps both your hardware and your engine's clean lines intact.. What makes it worth installing:. Designed for a perfect fit on compatible Yamaha outboards. Protects mounting bolts from corrosion, dirt, and water intrusion. Durable constructi