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Also, how tight due you torque the float bowl screw/jet? I assume you tighten until you feel the bowl make contact with the bottom of the carb body / pedestal, correct?

When you look at the float it is slightly inclined or closer to the carb body on the free side of the float.

I did replace the needle and seat with Tecumseh OE parts. I have checked and cleaned the idle jet and all is good there. How sensitive is the float level? I have it set at 11/64" per manual which is nearly level/parallel with the carb body. I'm wondering if I need to replace the seat again...

It should be getting plenty of air as I tried starting with the air filter removed.

Hi Rivets - I took off the original rebuilt carburetor and cleaned the welch plug on the inside and cleaned under the plug real good. Reseated the float bowl seal and emulsion tube again just to se if I missed anything and made sure all the passages were open. Didn't remove the exterior welch...

In my original post I mentioned that I haven't removed the welch plugs although I sprayed carb cleaner and seemed to be getting flow from under plug when I spray in other orifices of carb but could I be missing something important by not removing? I believe I have the new welch plugs in the new...

Thanks Rivets....I will pull it off again this Friday and check float level. Even though the carb to manifold gasket looks good I will RTV the surfaces to make sure I have a good seal. I know I played with the governor a bit when I did have it running somewhat while it was surging, is it...

Thanks for your reply. The spec number for the engine is 159409P. I believe I found on the internet to set float level was to be set at 11/64ths from base of carb which is what I believe I set it to. How sensitive is this adjustment? If its off a little it can have the same symptoms I'm...

I have this older generator with the HM100 10HP engine that I am having issues with it starting/running. This is a used generator (1999) with very few hours I received for free because of the plastic fuel tank split issue on these Devilbiss 5250 generators. So i replaced tank and tried...