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Float bowl removal - Yardman/Briggs and Stratton

F

foligno

Member
I have just inherited an old Yardman riding mower with a Briggs and Stratton engine (12 HP I believe). The thing starts and runs just fine, but there is a fuel leak. The leak appears to be at the gasket at the fuel bowl. I want to remove/clean/re-gasket it. The problem I am having is that I am unable to remove the bowl from the engine. I dont want to break anything, but I have given it a few wacks with a hammer. Should it be this hard to remove? Is this the wrong way to go about this? And to pre-answer - yes, I did remove the screw at the bottom of the bowl. :)

Any help greatly appreciated.
 
Its probably the bowl sticking to the gasket. Tap it easily with a rubber mallet. You don't want to damage the bowl. Hal
 
IF you removed the bottom screw there is a nut holding bowl on. Either 1/2 or 7/16 in.wrench to remove. Hope this helps. Rick P/Wis
 
thanks guys! I didnt check for a nut - and it really did seem to be on good - so I'll look for that tonight and ensure I use a rubber mallet to remove the bowl.
thanks again!
 
The best and easiest way to do what your needing to do is to remove the carb, then use a 1/2 inch socket 6 point works best and hold it in one hand the pop it free with your other hand and the socket. Just cleaned and rebuilt 2 or 3 of those in the last week. Be sure to clean the carb out and make sure all passage ways are open etc while you have it open since you will be in there any how and opening one up always seems to brake rust/dirt loose and that can/will come back and bite you in the butt BTDT and learned the hard way LOL
 
Depends on how old it actually is. A lot of the older (60's or 70's & older) Briggs carburetors used a main jet that extended at an angle up through the bowl and into the venturi.

If there's a mixture screw sitting at an angle on the bottom of the carburetor, remove it. Reach up into the hole with a 1/4" or so screwdriver, and CAREFULLY unsecrew the main jet. If there's no mixture screw on the bottom, ignore this post.

Some of these carburetors also have a drain plug on the bottom that looks like a short fat screw. In this case, there will also be three small screws holding the bottom half of the carburetor to the top half. It's not necessary to remove the drain plug to get the bottom half of the carburetor off.

It's possible to get one of these carburetors apart without removing the main jet, but you run the risk of bending the jet.

Keith
 
ok- I got it off - very easily - there was the bolt I didnt realize was there until you guys mentioned it here. The gasket is shot. Where do I need to pick that up? A specialty place or will a Home Depot/Walmart/Canadian Tire carry that? Another thought I had was to use a liquid gasket, but I hear thats tough to remove if it goes again. Any thoughts?
Thanks again for your help guys! :)
 
All resolved now - bought the OEM gasket from a place that deals with repairing tractors, etc. Runs great now.

Thanks for all your help guys!
 
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