1969 Evinrude 40 HP Big Twin, Big Twin Electric Lark Service Manual 4596, Page 17Get this manual
TROUBLE CHECK CHART (CONT) TROUBLE STARTER MOTOR WILL NOT OPERATE POSSIBLE CAUSE ASTARTING CIRCUITSee Section Loose or co rroded batter connections Safety switch inope tive (loo e) Throttle advanced too far oor or broken battery connections Weak or shorted battery Defective key or starter switch mmedstarter drive Da aged starter drive parts Worn brushes Broken brus pring Open cir cuit in so lenoid Burned commuta tor Broken fi eld ter mina Short ed or open windingsrmatur or fi eld BEXCESSIVE STARTER CURRENT DRAWSee Section Worn or dry ar matur shaft bearings Excessive friction in engine Brushes not seating Dirty or co rroded commuta tor Loos pol pi eces Shorted ar matur or fi eld Bearing heads buckled
SUBMERGED MOTORS
If motor is lost overboard while running, it should always be disassembled before any attempt is made to start itOften internal parts are sprung and running under these conditions can result in permanent damage