Lower Unit Gaskets

New type gaskets are being used on lower unit drain and oil level screws for all Yamaha outboard models beginning with January 2016 production. Yamaha is also supplying these new gaskets as replacement parts for all current and previous models; the previous part number supersedes to the new one. IMPORTANT These new-type black gaskets have […]

Metal Gaskets

Many Yamaha motors use metal gaskets between major components, such as cylinder heads and the crankcase, as well as the crankcase-to-upper-casing exhaust guide. Most of these metal gaskets use factory-applied surface coatings and raised ribs to seal between components. There is no need to apply additional sealant when reassembling components. In fact, when additional sealant […]