1981 Johnson/Evinrude 4HP Outboards Service Manual, Page 22Get this manual
REMOVAL OF CARBURETOR AND LEAF VALVE ASSEMBLY aRemove choke knobSee Figure 3-2Remove slow speed adjustment knobbRemove front and rear screws retaining lower motor coverSee Figure 3-3 Disengage starboard side of cover from port side See Figure 3-4 Remove coverSee Figure 3-5
Figure 3-4Separating Lower Motor Cover
Figure 3-2Removing Choke Knob
Figure 3-5Removing Lower Motor Cover