Cincy Posted November 2, 2013 Share Posted November 2, 2013 I have 83 GL, EA81 with Carter-Weber. The 2ndary barrel is not flowing any gas. When I rev up to high RPM manually, only the 1st is flowing gas. I can manually open the secondary with a screw driver, gas flows and engine revs. I don't know enough about these carbs...when should the 2nd open? I can't seem to get it to flow when revving up in the garage. I'm having stalling/sputtering problems and I think this may be it. Wondering if the mechanics are not working. Attached a picture. Quote Link to comment Share on other sites More sharing options...
Legacy777 Posted November 18, 2013 Share Posted November 18, 2013 You may have already posted this in the old gen forum, but if not, I am going to move your thread there. Quote Link to comment Share on other sites More sharing options...
Gloyale Posted November 18, 2013 Share Posted November 18, 2013 It's a vacuum secondary. It really won't open at all unless there is a load on the engine. If you want to test use a Vacuum pump on the Secondary diaphragm and it should open then. Quote Link to comment Share on other sites More sharing options...
Gloyale Posted November 18, 2013 Share Posted November 18, 2013 (edited) Also that looks like a hitachi not a carter. Which makes more sense anyhow.....since the Carter is a Single barrel. Edited November 18, 2013 by Gloyale Quote Link to comment Share on other sites More sharing options...
NV Zeno Posted November 20, 2013 Share Posted November 20, 2013 Had that happen on my '83 a couple of years ago. Solved it by spraying carb cleaner all over the outside of the carb (and some inside). Must have loosened whatever was causing the linkages to not open the secondary. Problem never returned. Make sure to remove the air cleaner to aid access for spraying. IIRC, I used about 1/2 can of Gumout. Quote Link to comment Share on other sites More sharing options...
ferox Posted November 20, 2013 Share Posted November 20, 2013 You might need to reseal or replace the gasket between the vacuum actuator and the body of the carb. Sometimes the screws that hold it to the carb loosen up also. Quote Link to comment Share on other sites More sharing options...
NV Zeno Posted November 20, 2013 Share Posted November 20, 2013 BTW, could you please post here when problem has been solved. Would be great to know what worked. Quote Link to comment Share on other sites More sharing options...
Cincy Posted April 27, 2014 Author Share Posted April 27, 2014 The issue was two fold...really dirty linkages which were cleaned up with gum out and secondary was it would not open without the engine being under load....once I got it cleaned up, I could tell when it kicked in while driving. And yes..I did ID the carb incorrectly as a Carter ...it is a Hitachi. Quote Link to comment Share on other sites More sharing options...
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