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Starts, runs, then stalls

#1

K

Keljan11

Hey all
I have an older B&S 6.5 hp push mower (model 944.361543), that hasn't been run in maybe 7 yrs. It's been stored in a shed, fuel was drained when put away.
Put in new gas, pumped the bulb a few times, 2 pulls and it started up. Ran great, but gas was running out of the pump bulb. Shut it off, drained the gas and ordered a new primer bulb.
Installed new primer. As I had it apart anyways, thought I would check the fuel bowl and clean it. Put it all back together.
Now it starts right up, but stalls 3-5 seconds later. Several times.
Any suggestions as to why its now stalling??


#2

Tiger Small Engine

Tiger Small Engine

Keljan11 said:
Hey all
I have an older B&S 6.5 hp push mower (model 944.361543), that hasn't been run in maybe 7 yrs. It's been stored in a shed, fuel was drained when put away.
Put in new gas, pumped the bulb a few times, 2 pulls and it started up. Ran great, but gas was running out of the pump bulb. Shut it off, drained the gas and ordered a new primer bulb.
Installed new primer. As I had it apart anyways, thought I would check the fuel bowl and clean it. Put it all back together.
Now it starts right up, but stalls 3-5 seconds later. Several times.
Any suggestions as to why its now stalling??
Click to expand...
Need to clean carburetor. Remove, remove jets, etc., clean, put back together, install on mower.


#3

StarTech

StarTech

In this case the fuel bowl bolt is the main jet and must be cleaned.

Boy I haven't access the 944. series manuals in a while.


#4

K

Keljan11

StarTech said:
In this case the fuel bowl bolt is the main jet and must be cleaned.

Boy I haven't access the 944. series manuals in a while.
Click to expand...
Yes, weve owned this mower for a while, but it ran so well before we stored it, i decided to keep it around (as we have the room on the farm).
I had just cleaned the fuel bowl, and the little brass jet nut (and the 2 small holes in it, as I had it partially apart to change the primer bulb anyways.
It did run nice, then I notice the fuel dripping out of the original primer bulb, and that's why started this project in the first place.


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