140 vro problems at low rpms

[georayray]

i just bought a 1986 140 evinrude its slow out of the hole chuges smokes and spits fuel from carbs until the rpms pick up then it runs great it does this ever time i slow down .i check compresion 120 to 130 psi changed plugs the oil injection has been disconected i mix it 50/1 it kinda sounds like it missing but it dosen't backfire i can't tell for sure. any one have similar problems or can give me an idea what mite be wrong or where to start

thanks

 

[tashasdaddy]

Re: 140 vro problems at low rpms

you have checked spark and compression. sounds like contaminated carbs, time to clean and rebuild all of them