1971 Evinrude Fisherman 6HP outboards Service Manual, Page 13Get this manual
TROUBLE CHECK CHART (CONT) TROUBLE POSSIBLE CAUSE ASPARK PLUGSSee Section Cover or inner terminal damaged (spark plug point out of .T lead) Faulty leads Looselow torque Incorrect heat range Defective (cracked insulator) BMAGNETOSee Section Incorrectly adjusted points Loose wiring Coil or condenser damaged (loose) Fiber breaker block worn Points dirty or pitted Defective breaker cam
3MOTOR MISFIRES (Assuming
Fuel SystemCarburetor OK)
4 POOR PERFORMANCE ON BOAT