1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 114Get this manual
Testing of Primer Solenoid Electric Start Models For efficient operation, the solenoid plunger should be free from dirt and corrosion so that it can move freely in the housingPrimer solenoid should test 5.5 1.5 ohms between purplewhite stripe lead and black ground leadUsing syringe filled with isopropyl alcohol, check primer solenoid seat for proper operationPlace tip of syringe shown
COA 1136
in inlet nozzle
of solenoid
While pressing on syringe, with manual lever in "Run" position, fluid should not flow through inlet nozzleIf fluid flows through inlet nozzle, disassemble primer solenoid and repair as necessaryTo disassemble primer solenoid, remove cover screws Lift off cover and gasket Remove valve seat Q)filtervalveplungerspring and spring Clean or replace filterWhen reassembling, use new gasket and valve seat Q)