firenut Posted June 18, 2017 Share Posted June 18, 2017 Just finished reassembling my 707A gas engine after a rebuild. Trying to start it, and i can hear it "sputter" or "hiss" and try to start but no joy... it did back fire once... any ideas?? Quote Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/ Share on other sites More sharing options...
1958 F.W.D. Posted June 18, 2017 Share Posted June 18, 2017 Are you drawing fuel from the tank or through a temp can set up? I wonder if the system is not fully primed? Make sure the fuel tank level is above the pickup tube, that the lines and filter are primed, etc. If all of this is confirmed, then maybe rig up a temp can/tank that is above the pump, allowing gravity to drop the fuel through the pump. If it runs then maybe you have pump issues. Quote TWO STROKES ARE FOR GARDEN TOOLS Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/#findComment-372629 Share on other sites More sharing options...
firenut Posted June 18, 2017 Author Share Posted June 18, 2017 I am getting good fuel... I think... i set up a temp system where the fuel tank was and have good fuel to the pump and the carb... it sounds like it wants to start but doesn't successfully fire.. Quote Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/#findComment-372630 Share on other sites More sharing options...
terry Posted June 18, 2017 Share Posted June 18, 2017 timing? Quote Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/#findComment-372631 Share on other sites More sharing options...
theakerstwo Posted June 19, 2017 Share Posted June 19, 2017 Will it run on starting fluid? Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/#findComment-372647 Share on other sites More sharing options...
firenut Posted June 19, 2017 Author Share Posted June 19, 2017 Timing was it... after refining it a little she fired right up. Thanks all. Quote Link to comment https://www.bigmacktrucks.com/topic/50211-707-engine-wont-start/#findComment-372650 Share on other sites More sharing options...
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