1994 Johnson Evinrude "ER" 60 LV 150, 150C, 175 Service Manual, P/N 500611, Page 56Get this manual
Vacuum Switch Servicing Function Test 1All electrical connections should be complete and the engine's battery must be connectedf41 2Remove the vacuum switch hose from the fuel separation chamberConnect vacuum tester to the hose
i spark plug leads
"" Avoid accidental starting of engine; twist and remove all
3Turn key switch to ON position4Slowly draw vacuum on the vacuum switch hoseThe warning horn should sound continuously as the vacuum approaches the switch's preset limitRefer to the chart below for your engine's limit
Switch PIN 433409
Limit (inHg)
PCE0063
5If the horn does not sound, check the warning horn circuitRefer to Warning Horn, Section If warning horn circuit is okay, replace vacuum switchRefer to Fuel Component Bracket Servicing
Oil Supply System
Optional Equipment
1equipped outboards are shipped with 1.8 gallon (6,8 litre) oil reservoirThere is an optional 3.0 gallon (11,4 litre) reservoir available for dual engine installations or extended ra nge OMC PIN 175531 reservoir has 3.0 gallon (11,4 litre) capacity