1995-1997 Kawasaki 750ZXi-900ZXi Jet Ski Repair Manual., Page 79Get this manual
5-6 ENGINE TOP END
Assembly Notes
any parts in the piston assemblies require replacement, or if the cylinder is honed or replaced, be sure to check the critical clearances
of the new parts against the values given in Specifications Instalthe piston rings so that the "R" mark [A] faces upwards as shown
W installing the piston rings by hand, first fit one end of the piston ring against the pin in the ring groove, spread the ring opening with the other hand and then slip the ring into the groove Chec to see that the pin [Aj in each pston ring groove is between the ends of the piston rmg Appl engine oil to the surface of each piston pinMoun the piston on the connecting rod with the arrow [B] on its crown pointing to the left (exhaust) side of the engine