Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 321Get this manual
ELECTROMATIC SHIFT bearing and the hub is knurled to provide more positive engagementThe reverse gear assembly uses needle bearings and the hub is smoothThe greatest percentage of motor operation is in forward gear with the reverse gear turning in the opposite direction, the needle bearings are used in the reverse gear hub for more satisfactory operationProper gear installation is extremely critical for satisfactory performanceThe hubs are different and are easily identifiedAfter the gears are assembled it is very easy, in moment of haste, to pick gear assembly from the bench and install it in the wrong locationTherefore, after the service work on the gears has been completed and they are ready for installation, identify one with felt pen marking or with tag to ensure proper installationSTILL MORE GOOD WORDS If the clutch has been slipping, replace the spring and the hubIt is very difficult to accurately determine what is considered "excessive" wear on these two itemsTherefore, if the clutch has been slipping, the modest cost of the spring and hub is justified in eliminating this area as possible source of shifting problems26- Obtain and wear pair of SAFETY GLASSES while working with the Truarc pliers in this stepPractice the same SAFETY precautions given in Step 15 and the WARNING just before that stepDisassemble the forward and reverse gear