1986 Mercruiser

[Grubbs]

Im running rough while cruising, motor starts sputtering while trying to throttle up. Changed fuel filters and have fresh gas. motor runs fine about half throttle. Is there a filter sock in the tank? Please help!!!! 1986 Fourwinns bowrider

 

[bondo]

Ayuh,..... Sounds like crap in the carb,.....

Pull it, buy a kit, 'n rebuild it,.....