1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 86Get this manual
Hose and Primer Bulb Assembly
grip clamp with pliersBend overlapping hook backward (in direction of arrow) to release clampTo assemble hose clamps, grip clamp firmly with pliersApply slight pressure to hook on topside with screwdriverSqueeze clamp with pliers until hooks interlock