1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 72Get this manual
4Check for correct float drop dimension This dimension affects the full opening ofthe inlet needle and is critical to correct operation of the carburetorWith carburetor body in normal running position, the float must drop open to dimension shownTo adjust, bend tab on float arm where tab contacts float seat
5Replace fuel pump bladder
(if equipped)
6Place two new O-rings Q) on fuel shut-off valve CD (if equipped)Install O-rings on shut-off valve with light film of oilInstall assembly in the bowl with twisting motion as you push it inThis will prevent damage to O-ringsInstall roll pin 7Install new float chamber gasket 8Install the float chamber to the carburetor body Install float chamber screws Tighten screws in an "X" pattern to torque of 15-22 inIbs(1,6-2,4 Nm)9Install cam follower linkage10Install new packing washers in carburetor bodyInstall needle valve packing nutbut do not tighten against the packing11Carefully, install needle valveturning clockwise, until it is seated lightlyTurn the needle counterclockwise one turn12Tighten the packing nut against the packing until the needle can just be turned with finger pressureThe needle valve will be adjusted after the carburetor has been installed on the engine813000