1968 Evinrude Speedifour, Starflite 85HP Service Manual, Page 61Get this manual
4The clutch shifter dog, with detent balls and spring, splined to the shaft; 5The clutch dog cradle and shifter leverthe 6The shift lever 1inkage to the handle starboard side of the lower front motor coverSee Figure 6-5Power is transmitted through the driveshaft to the drive pinion, which drives both forward and reverse gears simultaneouslyThe clutch dog is splined to the shaft while the forward and reverse gears rotate around the shaft in opposite directionsThe shift lever slides the clutch dog forward backward the shaft to engage either gearThe gearshift is in neutral when the clutch dog is in between forward and reverse gearsSHIFT LOCK ROD EXHAUST OUTLET DETENT ADJUSTM EN PLATE AND ADAPTER ROD LINK SHAFT
EXHAUST TUBE
ADJUSTME NT PLATE ROD 1LEV ER _
UPPE CONNE CTOR LOW R
Figure 6-3Water and Exhaust Discharge works as displacement At higher speeds water resistance keeps the blades from flexing and the acts as circulator, enough water being provided the forward motion of the motor through the waterSee Figure 6-4Heavy duty water pumps available for service in extremely sandy muddy waterwaysGEARCASE AND MANUAL The gearcase and manual shift consist of: 1The driveshaft pinion gear; 2The forward and reverse driving gears;