1971 Johnson 125HP outboards Service Manual, Page 21Get this manual
3-4 Figure 3-4
Figure 3-5
fSlip retaining ring and choke solenoid spnng trom upper choke armRemulfe one of tne ::i(;!-ews holding choke solenoid yoke to air silencer base, unclamp wires and slide solenoid outSee Figure 3-6gRemove four screws retaining air silencer and remove air silencerSee Figure 3-4hDisconnect fuel hoses between carburetorsiRemove throttle and choke linkage, and choke to throttle linkage from choke and throttle shaft armSee Figure 3- 5jDisconnect manual choke linkagekRemove carburetor nuts, lockwashers and carburetorsSee Figure 3-6REMOVAL OF INTAKE MANIFOLD AND LEAF VALVES aRemove throttle cambRemove ten screws retaining intake manifold and remove manifoldSee Figure 3-7Remove two front pan mounting screws from lower pancRemove four leaf plate assemblies from intake manifoldSee Figure 3-6DISASSEMBLY OF CARBURETOR aDrain carburetor by removing screw plugs from bottom of float ChamberSee Figure 3-8bRemove orifice plugsTo prevent damage to threads in float chamber assembly, use fixed jet screwdriver (Special Tool #379664)See Figure 3-8Orifice plug must be maked with letter "B"851 150