1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 58Get this manual
the acts as circulator, enough water being provided the forward motion of the motor through the waterSee Figure 6-3duty water pumps are available for service in extremely sandy or waterways 2The forward and reverse driving gears; 3The shaft;
4The forward and reverse clutch hubs, splined to the propeller shaft; 5The forward and reverse clutch drive springs, anchored to their respective gears and floating the clutch hubs;
GEARCASE AND MANUAL The gearcase and shift linkage consist of: 1The driveshaft pinion gear; 2The forward and reverse driving gears; 3The propeller shaft; 4The clutch shifter dog, with detent spring and ballssplined to the propeller shaft; 5The clutch dog cradle and shifter lever; and 6The shift lever linkage to handle starboard side of lower front motor coverSee Figure 6-4When "FORWARD" the remote control is selected, the circuit through the forward drive coil is pletedThe energized electromagnet attracts the free end of the clutch drive spring to the clutch hubThe revolving spring is caused to drag and wrap itself tightly around the hub to establish direct coupling with the shaftForward drive is retained until ItNEUTRAL" is selectedThe electromagnet is de-energized instantly when the circuit is broken, the drive spring is allowed to resume its normal position, and the spring floats the clutch hubAction is the same for the reverse clutch assemblyMECHANICAL POWER FLOW