1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 86Get this manual
Component Servicing Any time that the VRO oil supply line has been disconnected from the engine, you must run 100:1 fuelloil mixture in the fuel tank for period of time sufficient to verify oil consumptionOnce oil consumption has been verified, you can switch back to clear fuel in the tankOil Supply Hose and Pick-up Assembly If you suspect that the oil supply to the restricted, check two areaspump is being
1Remove the pick-up assembly and inspect for clogged or contaminated filter Remove the four No25 TorX screws and remove the pick-up assembly from the reservoir Carefully remove the pick-up filter and flush with mild solvent to remove any contamination Install the filter, being careful not to move the pick-up assembly on its support rods
2With the pick-up assembly out of the reservoir, vacuum test the
system to check for air leaks Carefully remove the oil hose from pick-up assembly and from engine oil inlet fitting Use low pressure air to purge hose of oil Use cap holder, PIN 329661, hose