1975 Evinrude 40 HP Outboards Service Manual, PN 5093, Page 54Get this manual
tor must be placed toward the intake portSee Fi gure 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 avoidedas 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 ecommendedSee Figure 5-26Using one hand to push the piston into the cylinderuse the free hand to guide the connecting rod into place and to align the rod with respect to the crankshaft "-R ING
CENTER MAI LOWER MAI N
SEAL AND BEAR ING RE ININ RING
TRUARC NG
R ING OMP RES SOR EC IA OOL