Suzuki 2003-2007 DF60 DF70 Outboard Motors Service Manual, Page 34Get this manual
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PERIODIC MAINTENANCE
9 Tighten the valve adjusting lock nut while holding the valve adjusting screw 2 Valve adjusting lock nut: 17 Nm (1.7 kg-m, 12.5 lb-ft)
10 Recheck the valve cle