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Posted by Woodenhead on July 21, 2006, 10:01 pm
John Lawrence wrote:
> Dnt "flip" the mower over unless you want base oil to enter the combustion
> chamber via the crankcase vent.
> > On Thu, 20 Jul 2006 18:25:41 -0400, "ng_reader"
> >
> >>
> >>> Have a pull start mower that was working fine until today. Got it
> >>> started no problem (about 3 pulls) and got about half my lawn done.
> >>> Stopped it twice to empty the bag and after the 3rd start (both 2nd
> >>> times started right up) it was working fine until I hit some heavy
> >>> grass and it bogged down I pulled back but it stopped. But when I went
> >>> to restart it it started fine but with a few seconds it started to slow
> >>> down and then stopped. Working the throttle doesn't seem to help (if I
> >>> feather it it will keep running a little longer, but still stops). One
> >>> thing that is interesting is if I rock the mower back and forth or
> >>> side to side it will rev back to normal speed so something tells me I
> >>> have some sort of fuel flow problem. Let it sit for over an hour with
> >>> no change.
> >>>
> >>> Cleaned air filter, oil looks good, had just filled tank with fresh gas
> >>> (although when I started it it seemed like some gas did leak out from
> >>> under the cap).
> >>>
> >>> Unit is 12 years old.
> >>>
> >>> Any ideas on what to check?
> >>>
> >>> Thanks
> >>>
> >>I came looking for a similar answer, and will continue to do so, but if
> >>the
> >>gas cap is on too tight, this is what happens. ( I think gas caps are made
> >>to vent, however, they don't always work that way)
> >>
> >
> > To test the cap, put it on loose, then wrap a little duct tape around
> > the cap and tank so it dont fall off and get chopped up.
> >
> > You might have too much grass, or some twine, or whatever entangled
> > around the blade and crank. Remove plug wire, flip the mower over and
> > check. Put wire back on.
> >
> > OR, you got a plugged gas filter, bad gas hose (collapsed), or clogged
> > carburator. Take hose off carb and see if gas runs out. Replace
> > filter (if there is one). If there is no clog or bad hose, take the
> > bowl off the carb. They tend to fill with crud. Clean it well an
> > replace it. You may need a new bowl gasket, but I have reused them
> > too.
> >
> > Hope this helps.
> >
> > Mark
> > suggest you try all mentioned by Mark and possible look at a carb kit but it
is probely dirt in the carb and it needs to be checked also look at the float
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