2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 17Get this manual
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General Information:
400 600 (4.0 6.0, 57 85) at 000 rmin (at normal operating temp API classification: SG, SH, SJ, SL, SM or NMMA FC-W classification: SG, SH, SJ, SL, SM Viscosity rating