OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Four Stroke Lawn Mower Frames B&S runs only when choke open

justinmc,

Go to the link below to get parts list as I think when you cleaned the carby you put the spring(Pump) on the wrong side of the diaphram. It should be on the carby side not the tank side.

[b]Briggs & Stratton Engine Link[/b]

Regards,

Bruce