1971 Evinrude StarFlite 100 HP Outboards Service Manual, PN 4753, Page 76Get this manual
bThe driveshaft pinion gear is precisely meshed with the forward and reverse gears by the use of shim or shims between the driveshaft thrust bearing, thrust washer and driveshaft bearing housingTo select the proper shimming, assemble pinion gear to driveshaft and torque nut to 60-65 foot-poundscRemove thrust washer and bearingPlace shims removed during disassembly on driveshaft shoulderUsing shim gauge, OMC Special Tool #315767, measure clearance between bottom of gauge and pinion gearSee Figure 6-35If shimming is correct, bottom end of gauge should just touch top of pinion gearAdd or remove shims as necessary to make this clearanceSee Figure 6-35Carefully set aSide the correct shims selecteddRemove pinion gear from driveshafteInstall forward gear, thrust bearing and thrust washers using needle bearing grease to hold them in placeSee Figure 6-23fInstall driveshaft in gearcaseSecure pinion gear to driveshaft with pinion nut using driveshaft holding socket #312752 and torque wrenchTorque nut to 60-65 foot-poundsgIf removed, install clutch dog on propeller shaftSee Figures 6-36 and 6-37NOTE: Three ramp side must face forward end of gearcaseCompress spring and insert pin through clutch dog retainerSecure pin with coil spring in groove around clutch dogSee Figures 6-36 and 6-37(as requ ired)