1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 87Get this manual
Hose and Primer Bulb Assembly
71 To disassemble hose clampsgrip clamp with pliersEJ
Bend overlapping hook backward (in direction of arrow) to release cl amp
To assemble hose clamps, grip clamp firmly with pliersApply slight pressure to hook on topside with screwdriverSqueeze clamp with pliers until hooks interlock