2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 47Get this manual

2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 47

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Maintenance and Tune-Up: High oil pressure Using an engine oil of too high viscosity Clogged oil passage Clogged oil pressure regulator Combination of above items 7) After testing, reinstall oil press