2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 295Get this manual
TRIM AND TILT SERVICING Remove drive coupler from either the motor or the pump assemblyPosition the motor on the manifold and install four new screws and lock washersTighten the screws 35 to 50 inlbs(4 to Nm)
Assembly
IMPORTANT: Use only EvinrudeJohnson Biodegradable TNT Fluid to fill the hydraulic systemInstall drive coupler in pump assemblyInstall new motor O-ring