1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 327Get this manual
Assembly
Install four detent leaf springs and detent roller
bore of drive gearInstall drive gear and neutral lock ballEngage the detent notch with the detent roller
r:J11 .Apply OMC Moly Lube to the gear teeth, detent notch and
bore of the shift gearInstall shift gearengaging the gear teeth with the teeth on the drive gear
r:J11 Apply OMC Moly Lube to the gear teeth, switch ramp and
ill Replace any nut that has lost its locking featureTorque screws to 24-36 inIbs(3-4 Nm)Igl
1101 4Install support plate1121 5Install three screws and nuts retaining support plate6Install driveshaftMake sure the radius of the driveshaft faces the rear of the control7Apply OMC Moly Lube to the bore and sliding surfaces of the throttle armInstall throttle arm