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JON, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1091
Experience:  Certified Small Engine Technician
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My generator runs with black smoke. changed air filter but

Customer Question

my generator runs with black smoke. changed air filter but no help. is choke sticking/
JA: What's the make and model of the generator? And can you guesstimate how old it is?
Customer: 1994 onan microlite 4000
JA: Do you plan on doing the work yourself?
Customer: if it is really simple
JA: Anything else we should know to help you best?
Customer: it is chugging and will not carry a load
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Small Engine Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: Small Engine
Expert:  JON replied 1 year ago.

Black smoke is a sign of running rich. It can be caused by choke sticking or trash in the carb. easiest thing to check is choke sticking though. Let me know if I can be of more assistance please