1984-1986 Mercury Force 4HP Outboards Service Manual, Page 17Get this manual
4Remove nozzle and needle valve seatInspect for dirt and wearDiscard gasket NOTE
Further isassembly of carburetor for cleaning is not necessary
10Inspect body and choke shaft lor wearShaft is replaceable If body is worn, carburetor must be replaced
5Examine throttle and choke assemblies for damage and excessive wear (noticeable shaft movement)
11 After carburetor has been Inspected for wear, clean in good commercial grade cleani ng solution, ffollowlng manufacturer's instructions
6Clean carburetor in good commerci al grade
cleaning solution, following manufacturer's Instructions7If excessive wear is found in the throttle area, disassembleA
Note position of throttle valveFigure 9remove valve
BRemove screw retaining throttle valve and
CHOKE SHAFT ASSEMBLY
THROTTLE SHAFT ASSEMBLY CHOKE VALVE