Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 151Get this manual
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10-4 DF456 "K3" ('03) MODEL
Engine oil amounts Thermostat operating temperature
L (USImpqt) (F)
0.7 (0.740.62) 48 52 (118 126)
Figures shown are guidelines