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Subject: Idle speed

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Rdavis    Posted 07-07-2019 at 20:30:48 [URL] [DELETE]        [Reply] [Email]  
  • Idle speed
  • How the heck do you get an8n to idle at 500 or less. I have tried new governor with new carb with old and New linkages lowest I get is 1100. Switched the gov back to original. Not much difference except just breaks into the 21 on the high side but no change on the low. Rebuilt the old carb with the new gov and dropped to 10. Hope somebody can help me out on this. I have adjusted the spring on the give per the manual. I have tried all combos of old with old/ old with new etc. Thanks 🤬

    Rdavis    Posted 07-07-2019 at 22:28:06 [URL] [DELETE]        [Reply] [Email]  
  • Re: Idle speed
  • I can push the carb leaver down to the stop and it will idle rough around 400. This is with linkage connected. When running on its own the idle screw does not touch the stop unless I push it there. I have adjusted the idle mixture screw and it idles at about 1000 very well. But this setting is way off from the shop manuals 1 turn out.

    R Geiger    Posted 07-07-2019 at 22:16:51 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Idle speed
  • What will it idle down to with the linkage to the carb disconnected and hold the throttle butterfly with your hand? In other words take everything out of the loop except the carb.

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