1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 58Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 58

Testing Procedure & Avoid accidental starting of engine while changing propellers; twist and remove all spark plug leads
immediate damage to vacuum gauge 3Start engine and run it at full throttle for at least two minutesMonitor clear vinyl hose
for signs of air or vapor bubbles and note reading on vacuum gauge4The vacuum gauge reading must not exceed inof mercury
(Hg) at any timeThere should be no air or vapor bubbles visible in the clear hose If reading is to inHg and no bubbles are
present, go to Step If reading is to inHg and bubbles are present, go to Step If reading exceeds inHg, go to Step 55If your
reading exceeds inHg, you must test each boat fuel system component for excessive restriction before continuingRefer to Boat
Fuel System Recommendations, this section, for component descriptions6If you suspect the anti-siphon valve, perform these
tests: Remove anti-siphon valve from fuel tank, and install adaptors and clear hose as shown Fill clear hose with water until