1968 Evinrude Ski-Twin, Ski-Twin Electric 33 HP Outboards Service Manual, Page 20Get this manual
Figure 3-16Disassembling Leaf Valves INT MANIFOLD
Check smaH hole manifold which feeds vacuum to cut-out switch hoseDO NOT enlarge hole; only clean outUse #76 drillCheck hose from manifold to cut-out switch for clogging, kinks, pin holesFigure 3-14Re-seating Installing Plug SOLENOID The choke solenoid requires very little attentionFor efficient operation, the plunger should free from corrosion so that it move freely in the solenoid housingIt is not necessary to lubricate the solenoid plunger since the will only attract dust and cause sluggish plunger movement
REASSEMBLV OF CARBURETOR