On Tue, 29 Aug 2006, email@example.com wrote:
> lawnmower having issues. does not like to idle. will rev up and down
> then spontaneously die. playing with a thingy (tm) on the carb makes it
> not die. the thingy(tm), if I had to guess, seems to control what would
> be the slide, were it on a carb on one of my bikes. it seems to be
> spring-loaded, and if I hold it back, the engine will rev. throttle
> pinned the whole time, fwiw.
> somebody take a guess--there's only six moving parts on the thing,
> eventually you'll get it. I'm just terrified because last time I want
> through this (I'd just ported and rebuilt an rz350 engine...how bad
> could briggs do me?) I ended up having to drag said briggs to the local
> mower shop and pay $120 to watch the mouth-breather assemble it in 5
> minutes. with an cardboard-and-aluminum-foil head-gasket, I think. I
> can't go back.
Take the carb apart. Blow carb cleaner through all the passages. Put the
carb back together & try it.
This nearly always fixes any "yard motor" issues I have. And you usually
can do it with an adjustable wrench and screwdriver... :-)
Past that, I can't help.