Many consumers have complained that their. Hes a retired Assistant Chief Fire Fighter, and in his free time, he enjoys spending time with his family and grandkids. I would have to pull the sediment bowl out from under the tank and clean it. Spray carburetor cleaner into the air intake. Barry is our Inventory Manager. Bad Fuel Pump on a Kubota Zero Turn 6. Maybe it takes little sips of air under vibration. Own a lawn mower long enough, youll start running into problems with it starting, not continuing to run, smoking, leaking gas, giving a bad cut, vibrating, or another issue. While many things could cause your machine to sputter, including problems with the ignition system or air intake, a bad fuel pump can also cause it. Fuel was coming to the injector pump but nothing out of it.. After a conversation with the service guy at my Kubota dealer, he said it was likely tube mechanism going into the gas tank. Since its inception, Kubota M136GX has become a household name among farmers and other business owners worldwide. Im stumped. Replacing the fuel pump is sometimes the best cause of action. Once you find a section of the hose that is clogged, remove the hose from your mower. You must check the wiring when replacing a damaged pump. Its also possible that the fuel control lever on the engine itself is the source of the problem. However, the sputtering will only increase with time. Some of the trucks developed leaks in the flex line going from the frame mounted steel fuel line, up to the motor. Try to drop the bowl from the carb if you can and soak it in carb cleaner or use a spray bomb of cleaner. When the carburetor is dirty, clogging the small components inside your carburetor including the fuel jet, your Kubota mower isnt able to get the fuel required to run. You may encounter transmission issues with the Kubota M135GX. Orin is an Assembler at Bobby Ford Tractor and Equipment and is currently a student at BCC. As Total77 stated, I noticed in trying to loosen the injector lines from on top of the pump, the delivery valves slipped a notch past the keeper. Morgan is our Office Manager.