1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 58Get this manual

1995 Johnson Evinrude "EO" 90 CV 85 thru 115 Service Manual, P/N 503150, Page 58

Testing Purpose The following procedure is designed to help you isolate defective component in the boat or engine fuel systemThe
and fitting, carefully cut the hose along its side and peel it back to avoid damaging the fittings 2Install OMC Vacuum Gauge,
PIN 390954or equivalent, and in(20,3 cm) of clear vinyl hose at the fuel inlet fitting on the lower engine coverSecure all
connections with tie straps to eliminate air leakageDo not use fuel primer bulb, manual fuel primer pump, or electric fuel
primer pump to restart engineFuel system pressure could cause immediate damage to vacuum gauge3Start engine and run 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