1980 Evinrude Outboards Service and Repair Manual 70/75HP models P/N 5494, Page 99Get this manual
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INTAKE PORT
Figure 5-2 Cross-Flow Scavenging PISTONS
Figure 5-3 Loop Scavenging
Figure 5-4 Loop Scavenged Cylinder
The pistons, with the piston rings, rece