2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 43Get this manual
Maintenance and Tune-Up:
Anodes Inspection
Inspect anodes Every 50 hours (3 months)
Z9J0110206048
If 23 of zinc anode has corroded away, replace anodeThe anode should be periodically cleaned with wire brush to ensure maximum effectivenessCAUTION Never paint the anodeNOTE The anode cover (1) may be separated from the power unit body by inserting and turning 10 mm bolt (2) to function as screw jack1