1996-2005 Suzuki DF40, DF50 Four Stroke Outboard Service Manual, Page 465Get this manual
DF4050 "K5" ('05) MODEL
TROUBLESHOOTING
NOTE: Before troubleshooting the electric starter system, make sure of the following: Battery is fully charged All cableswires are securely connected Shift is in "NEUTRAL" positionIf any abnormality is found, immediately disconnect battery cables from batteryEngine does not start
Does engine turn over with continued cranking?
Does starter motor rotate?
Check battery for charging condition Check battery terminals for connections and corrosion Check main (30A) fuse caseYES YES YES Check for starter relay "Click" sound when turning ignition switch to "START"Is there "Click" sound? Check function of neutral switch Check ignition switch function Check starter motor relay(See page 16-20) Check wiring system and connections between starter relay and ignition switch