1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 80Get this manual

1994 Johnson/Evinrude Outboards 40 thru 55 Service Manual, Page 80

Disassembly 1Remove primer pump housing retainer from primer pump II!] 2Remove primer plunger from Inspection Discard O-rings
To verify check valve function, connect clear plastic hose between the small nipple and syringe filled with isopropyl alcoholSqueeze
the syringe lightly to force alcohol through the hoseVisually check for alcohol flow into the housingIt is permissible for
few drops to enterThis indicates the check valve is blocking the flow and functioning correctlyIf steady stream of alcohol
flows through the small nipple, the check valve is inoperative and the primer pump housing must be replaced 1141 Install
hose between the large nipple of the primer pump housing and the syringePlace your thumb over the end of the plunger housingSqueeze