2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 164Get this manual
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1D-53 Power Unit Mechanical: Piston ring end gap Standard (1st): 0.15 0.30 mm (0.0059 0.0118 in Standard (2nd): 0.30 0.45 mm (0.0118 0.0177 in Service limit (1st): 0.70 mm (0.028 in Service limit (2nd