Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 312Get this manual
LOWER UNIT
completely disassembled, inspected, the cause of the problem determined, and then corrected2- Check for broken shear pin by removing the propellerFirst pull the cotter key, and then remove the propeller nut, drive pin, and washerBecause the drive pin is not tight fit, the propeller is able to move on the pin and cause burrs on the holePropeller removal may be difficult because of these burrsTo overcome this problem, the propeller hub has two grooves running the full length of the hubHold the shaft from turning, and then rotate the propeller 14- turn to position the grooves over the drive pin holesThe propeller can then be pulled straight off the shaftAfter the