2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 190Get this manual
OILING SYSTEM OIL COMPONENT SERVICING
Oil Tank Assembly
Removal
Disconnect the battery cables at the batteryRemove engine covers and air silencerDisconnect the electrical connector to the oil injection pump and manifold assembly
1Screws 2Nut
Installation
Position oil tank assembly on powerheadClean mounting screws and apply Nut Lock to threads of screwsInstall screws and torque to 30 to 42 inlbs(3.4 to 4.8 Nm)Install nut and torque to 30 to 42 inlbs(3.4 to 4.8 Nm)Route oil distribution hoses from the oil distribution manifold to the crankcase oil delivery fittingsInstall protective sleeves and route hoses as they were prior to removalSee Oil Supply and Distribution Diagram on p182Connect oil hoses to crankcase fittings and fasten with tie straps