1965 Evinrude 90 HP StarFlite Service Manual, PN 4206, Page 22Get this manual
SOLENOID The choke solenoid requires very little attentionFor efficient operation, the plunger should be free from corrosion so that it can move freely in the solenoid housingIt is not necessary to lubricate the solenoid plunger since the oil film will only attract dust and cause sluggish plunger movementHEAT EXCHANGER aBlow clean with compressed airIf carbon content within the tube is excessive, replace tubeWORN
bAt inlet area of can copect, closing careful not to force the heat exchangerinto heat exchanger
heat exchanger, foreign matter openingClean this area, being the foreign matter further into DO NOT blow compressed air
HIGH-SPEED TUBE ASSEMBLIES