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AR15.COM
9/29/2008 10:15:53 AM EDT
My 1995ish lawn boy 2 stroke has developed a fuel system problem.  The fuel is apparently draining down into the carb, through the air filter and onto the deck.  It is leaking at the rate of an ounce or two a day.  

Is there a feature in the carb that provides for fuel flow when running but shuts it off when off that is stuck open?  I'm guessing a rebuild kit would have that component in it?

I'm basically running the fuel out if it after I'm done so that it doesn't vapor up the shed.
9/29/2008 10:22:44 AM EDT
[#1]
FWIW  I know the Lawn Boy mowers have plastic carbeurators.  In the past, it was cheaper for my neighbor to replace the unit (carb, not mower) rather than rebuild.

It sounds like you have the same problem he was having
9/29/2008 10:50:18 AM EDT
[#2]

Quoted:
My 1995ish lawn boy 2 stroke has developed a fuel system problem.  The fuel is apparently draining down into the carb, through the air filter and onto the deck.  It is leaking at the rate of an ounce or two a day.  

Is there a feature in the carb that provides for fuel flow when running but shuts it off when off that is stuck open?  I'm guessing a rebuild kit would have that component in it?

I'm basically running the fuel out if it after I'm done so that it doesn't vapor up the shed.


Sounds like the float.

Pinch off fuel line. Remove bowl. Remove pin retaining float and needle. Check for holes in float by submerging it in a can of water. If there is a hole, throw it out and replace. With a carb that is 13 or so years old and an off brand, you may not be able to find the parts. YMMV though.

ETA: what happens is the float will get a small hole in it and fill up with gas. which will cause the flooding issue

ETA: If it is the float, shoot me an IM with model info/serial number etc. and I will try to track one down for you.
9/29/2008 8:11:32 PM EDT
[#3]
Yep float stuck.  IIRC on those lawnboys it was a cork float.  Maybe plastic dont remember off the top of my head,.

Oh, and to the post above me, he can im me if he really needs parts, because im a mechanic at a lawnboy dealer.  no tracking down.  go to shelf and pick up.  That stuffs not obolete, and lawnboys are very popular around here at least.  The 2 cycle lawnboys were soe of the best damn mowers ever made.

ETA: where in va are you op?  if your close enough ill come fix it for beer.
9/30/2008 3:39:40 AM EDT
[#4]

Quoted:
Yep float stuck.  IIRC on those lawnboys it was a cork float.  Maybe plastic dont remember off the top of my head,.

Oh, and to the post above me, he can im me if he really needs parts, because im a mechanic at a lawnboy dealer.  no tracking down.  go to shelf and pick up.  That stuffs not obolete, and lawnboys are very popular around here at least.  The 2 cycle lawnboys were soe of the best damn mowers ever made.

ETA: where in va are you op?  if your close enough ill come fix it for beer.


I really like this mower, so it's worth fixing if it's easy.  Low maintenence, light, and no worries about oil starvation on a hill.  My lawn is more of a moss field with scattered grass because I'm pretty much in the woods.  As such, the mower has impacted its fair share of sticks large enough that I shouldn't have hit them.  It shakes it off then keeps going.

I'm in Richmond BTW.