1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 74Get this manual
VRO Component Servicing
Any ime the VRO oil supply line has been disconnected, you must run 50: fuell oil mixture in the fuel tank until oil pump delivery is verified Once oil delivery has been confirmed, use clear fuel in the tankVRO Pickup Assembly and Oil Supply Hose Servicing
If you suspect that the oil supply to the VRO pump is being restricted, check two areas
1Remove the pickup assembly and inspect for clogged or contaminated filter Remove the Torx screws and lift the pickup assembly from the reservoir Carefully remove the pickup filter and flush with mild solvent to remove any contamination Install the filter, being careful not to move the pickup assembly on its support rods