1978 Johnson 175, 200, 235 HP Outboard Service Manual, Page 27Get this manual
DIASSEMBLY OF CARBURETOR aDrain carburetor by removing screw plugs from float chambersSee Figure 3-13Also remove slow speed screw plugs See Figure 3-14 1Special tool #317002
Figure 3-16Removing Low Speed Orifice Plugs
1Screw plugs
Figure 3-13Drain Carburetor
Figure 3-16ARemoving Pull-over Air Bleed Orifice bRemove high and low speed orifice plugs, two eachSee Section for correct orifice plug identifi cationTo prevent damage to threads in float chamber assembly, use fixed jet screwdriver (Special Tool #317002)See Fi gures 3-15 and 3-16235 hpRemove pull-over air bleed orifice plug with same fixed jet screwdriverSe Figure 3-16AdRemove float valve, float valve seat, and gasket assembly from carburetor bodycRemove four screws attaching float chamber to carburetor bodyRemove float chamber and gasketRemove nylon hinge pin to permit removal of float and float arm assemblySee Figure -1 7