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I have a 2001 grasshopper 721 Kubota gass. It has around 480 hrs on it. The other day wile mowing it dies like it ran out of gas. Fuel filter was empty took the line off and manual pump wasn't pumping. Removed pump and could get it to pump. Installed it back waited and it fired up. Yesterday while mowing I was almost done mowing (45mins) it did the same thing. I let it set for about 3 hours and it fired right back up. I'm thinking it's the fuel pump. Has anyone had a similar problem?

The Mower Shop, Inc.- Grasshopper Lawn Mower Parts Diagrams check electrical connections at fuel pump

https://www.google.com/webhp?source...heck electric fuel pump 721 kubota gas engine

It's a manual pump. No electrical connection

That's a common and affordable pump. I'd begin with that. Maybe a carb kit. I would imagine your fp is similar to this one though it might be plastic. They come in a couple of different shapes and some are rebuildable and some are throw aways. The one in the link is rebuildable. Fuel Pump Kit Kohler 24 393 04 24 393 16S Briggs Stratton 491922 10876 | eBay

logan01 said:

That's a common and affordable pump. I'd begin with that. Maybe a carb kit. I would imagine your fp is similar to this one though it might be plastic. They come in a couple of different shapes and some are rebuildable and some are throw aways. The one in the link is rebuildable. Fuel Pump Kit Kohler 24 393 04 24 393 16S Briggs Stratton 491922 10876 | eBay

Click to expand...

Same numbers, but much cheaper.

New Fuel Pump Replaces Briggs and Stratton 808656 491922 Kohler Kawasaki Honda | eBay

http://m.ebay.com/itm/251320673097. That's what mine looks like.