Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 37Get this manual
PERIODIC MAINTENANCE
1Cotter pin 2Propeller nut 3Propeller 4Shear pin
PROPELLERNUTCOTTER PIN
Inspect initially after 20 hours (1 month) and every 100 hours (6 months) thereafter Inspect the propeller for bent, chipped or broken bladesIf damage noticeably affects operation, replace Make sure that the propeller nut is tightened Make sure that the cotter pin is installed securely
Inspect every 50 hours (3 months)
ANODES If 23 of the anode has corroded away, replace the anode