briggs 5 hp ?fuel issue

genopower · 05-19-2009, 04:52 PM

I just picked up a 5-6 yo go kart for my kids from a neighbor. It's been sitting for 3+ years. It has a 5hp Briggs. I got it running pretty easily. I put in a new plug and it runs great at idle and under a load in the garage. We have a lot of land and when they try and ride it up and down the hills it always stalls.

How does it get gas? Do you think this is the problem? It is better with a full tank.

Is it gravity fed? I don't think it has a fuel pump but the carb is on top of the tank so how does it get fed? I noticed a green sponge in the gas tank is this supposed to be there? Can I add an electric pump if this is the issue?

Any help would be appreciated.

Thanks

k2skier · 05-19-2009, 06:12 PM

The fuel pump diaphragm is under the small rectangular cover on the side of the carb (muffler side), 4 screws and replace diaphragm # 272538s. If that doesn't do it you will need to pull the tank/carb assy (then separate them) and clean the tank and carb, using new gaskets.

05-19-2009, 04:52 PM	#1 (permalink)
genopower Registered User Join Date: May 2009 Posts: 1 OS: windows xp	briggs 5 hp ?fuel issue I just picked up a 5-6 yo go kart for my kids from a neighbor. It's been sitting for 3+ years. It has a 5hp Briggs. I got it running pretty easily. I put in a new plug and it runs great at idle and under a load in the garage. We have a lot of land and when they try and ride it up and down the hills it always stalls. How does it get gas? Do you think this is the problem? It is better with a full tank. Is it gravity fed? I don't think it has a fuel pump but the carb is on top of the tank so how does it get fed? I noticed a green sponge in the gas tank is this supposed to be there? Can I add an electric pump if this is the issue? Any help would be appreciated. Thanks

05-19-2009, 06:12 PM	#2 (permalink)
k2skier Registered User Join Date: Sep 2008 Location: Oregon Posts: 313 OS: XP Home-SP3 My System	Re: briggs 5 hp ?fuel issue The fuel pump diaphragm is under the small rectangular cover on the side of the carb (muffler side), 4 screws and replace diaphragm # 272538s. If that doesn't do it you will need to pull the tank/carb assy (then separate them) and clean the tank and carb, using new gaskets. Last edited by k2skier; 05-19-2009 at 06:13 PM.