1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 68Get this manual
Place washer with large hole in position, with thrust bearing next, followed washer with small holeWith the use of driver and (Special Tools #378737 and #308098), installlower pinion bearing in gearcaseSee Figure 6-41Drive new shift rod bushing, washer, and ring into gear housing, using bushing mandrel (Special #304515)dInstall new gearcase bearing, using bearing installer (Special Tools #378737 and 309915)See Figure 6-42Install new oil retainer, using seal installer (Special Tools #378737 and 308103)2.119 11
Figure 6-39Disassembling Clutch
TUBES ROD GROMMETSTUBE
: BEARING GASKET UPPER
HOUSING
Figure' 6-40Tightening Clutch
LOWER PINIO EARING PINION GEAR
hub is knurled to provide positive engagement, while the reverse clutch hub is smooth, since the greater percentage of motor operation is in forward gear and the reverse hub and coil then turning in opposite directionsAlso note that the forward drive gear rides bushing while the reverse drive gear rides needle bearing, again because most operation is in forward gearThese parts of the electric shift assembly should not substituted nor interchanged