1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 197Get this manual
& Wear safety glasses for eye protectionDetent balls can pop out with great force18Slide Shift Detent Sleeve, PI 328081over the propeller shaftAlign slot in the tool with hole in the propeller shaft
19Insert one detent ball, then the spring, then the other detent ballPush down on the ball and slide the tool back until you feel the ball slip into the detent
rn 20Install the propeller shaft and detent tool in gearcase:
Propeller shaft must engage forward bearing Tool ramps must engage clutch dog ramps Hold tool firmly against clutch dog Gently tap propeller shaft with rawhide mallet to seat detent assembly