Thoroughly clean the mating surfaces on both the cylinder head and the manifold
How visible are these stickers
though it's not typically required
It is also compatible with select Parsun 115 HP 4-stroke models that use Yamaha-based designs
especially when operating in saltwater
Upper Gear Housing Seal Kit – Fits MerCruiser R, MR & Alpha One Gen I Drives (Replaces Mercury 26-32511A1, Sierra 18-2648) 4.5HP Thoroughly clean the mating surfacesProduct Details This Upper Gear Housing Seal Kit provides all necessary components to reseal the upper unit on MerCruiser #1, R, MR, and Alpha One Gen I stern drives manufactured from 19641991 (serial numbers 1684188 through D469858). It ensures a reliable, leak free seal to protect your drive's internal components. This kit serves as a direct replacement for Mercury part numbers 26 32511A1, 26 32511A3, and 26 32511B1, as well as Sierra 18 2648, GLM