1976 Evinrude 40HP outboards Service Manual, Page 54Get this manual
tor must be placed toward the intake portSee Figure 5-24Make certain that the rings are correctly positioned in their grooves with respect to the groove pinsDamaged pistons and broken rings may result from imperfect alignment of the ring gap and piston dowel pinThe use of automotive type ring compressing tools should be aVOided, as these frequently cause damaged pistons and broken piston rings through imperfect alignment of the ring gap and piston dowel pinThe use of Special Tool #308866 (for standard size rings and pistons only) is recommendedSee Figure 5-26Using one hand to push the piston into the cylinder, use the free hand to guide the connecting rod into place and to align the rod with respect to the crankshaft "-RING
CE TER MAIN
B EARING
T UA RC NG
R ING COMPRESSOR SPECIAL TOOL