Suzuki 2002-2005 DF4/DF5/DF6 4-Stroke Outboards Service Manual, Page 101Get this manual
6-34 POWER UNIT PISTON RING TO PISTON Oil ring 1Apply engine oil to the piston rings2Install the spacer first, then the side rails to the piston When installing the spacer, do not allow the ends to overlap in the groove
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1st ring and 2nd ring 1Apply engine oil to the piston rings2Install the 2nd ring and the 1st ring to the piston with the "N" mark toward the piston head side