Generator Blowing Black Smoke
Here's another issue I'm having besides my furnace... :) My generator... an Onan Gold Marquis 5500, is blowing black smoke intermittently. It didn't run for the better part of six months because I...
Forum Discussion
rcmiller32 wrote:
Black smoke is from a to rich condition. Possible causes are choke that is not opening fully when warm or a carburetor float and needle seat that are not working properly. Check to see if the choke linkage is binding and free to move. We had a problem with ours not going to full choke and we would have to crank for a very long time to get started. Most likely carburetor has dirt and a sticky float.
DITTO on the checking the float/needle valve! I would add to check the air filter for oil blowback contamination as well.
Had an oily residue on ours and plenty of black smoke, removed the filter smoke went away. So I replaced & problem solved, now exercise more care filling the oil on oil changes.
