1968 Evinrude Big Twin, Big Twin Electric, Lark 40 HP Outboards Service Manual, Page 72Get this manual
gCheck electric shift leads with an ohmmeter to test for an open circuit or short between leadsshort between leads could both forward and reverse gears to engage at the timeConnect the forward coil green lead to the ohmmeter and ground the other ohmmeter lead to the motorIf the circuit is correct, the ohmmeter will show ohms resistanceNo reading will obtained if circuit is brokenTest reverse coil circuit the way measuring between the lead and groundSee Figure 6-50 hAttach exhaust relief bootInstall rear exhaust cover, using new seal ring to prevent passing haust gases into the motor cover
iFill gearcase with lubricant and grease propeller shaftSee Figure 6-51Install propeller, thrust washer, new drive pin, and propeller nut, securing with new cotter pinjAttach power head Connect spark plug wires
Figure 6-52Shift Lever Adjustment Place shift handle in neutral and check to that propeller rotates freelyShift lever pin must centered in neutral detent shifter lockSee Figure 6-52Move shift handle into forward gear, rotating propeller clockwise to contact shifter dog with forward gearNote point of engagement, and note pointwhere shift lever pin rides in forward detent in shifter lockRepeat action for reverse gearThe shifter lever pin should stop an equal distance from the neutral detent in forward and reverse, but close to neutral in forward gear to allow for positive forward gear gagementIf adjustment is needed, proceed as follows: Disconnect and ground spark plug wiresFigure 6-53See