sei exhaust trouble

[hawkman7]

Got some black crap comming out the exhaust when revved up any reason for this ?! Asap

 

[Peter Pick-Up]

Running rich.
Unburnt fuel=black smoke.

 

[fingers99]

Solid or liquid? You really don't help anyone, or yourself, by giving a poor description, posting in the wrong section, and demanding help ASAP.