2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 359Get this manual
CRANKSHAFTBALANCER (ARX1200T3T3D)PISTON Check the top of the cylinder for warpage with straight edge and feeler gaugeSERVICE LIMIT: 0.05 mm (0.002 in)
PISTON RING INSTALLATION
Carefully install the piston rings into the piston ring grooves with the markings facing up Be careful not to damage the piston and rings during installation To install the oil ring, install the spacer first, then install the side railsStagger the piston ring end gaps 120! apart from each otherStagger the side rail end gaps as shownMARK