1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 257Get this manual

1995 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 257

THERMAL EXPANSION RELIEF 1Under certain conditions, external temperature variations can cause the unit's hydraulic fluid
to expand2The extreme pressure caused by thermal expansion flows from the cylinder and bypasses the UP check valve and the