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Posted by Stubby on September 19, 2006, 1:15 pm
beerguzzler50@yahoo.com wrote:
> It is a Kohler carb, not the walbro (I'm positive about that). It has
> a idle set screw, a low idle mixture screw and general mixture screw.
> I'll look about how do do timing with a timing light...that would be
> good. I thought the timing is fixed on these engines...but I'm
> assuming the gap does this?
>
>
> ds549@webtv.net wrote:
>> did you reset the governor? you loosen the nut/bolt on the gov arm
>> (the arm on the shaft coming out of the brass nut on the engine) ,turn
>> the gov shaft ccw till it stops while at the same time holding the
>> throttle shaft on the carb wide open.then ,lock the nut/bolt . im
>> assuming your replacement carb is a walbro,, the high speed screw sets
>> at 1-1/4 turn out low speed screw 2-1/2 turns out. you can download
>> manual at kohlerengines.com for free. i find setting the points with
>> timing light as shown in manual makes engine run cooler, but .020 gap
>> should run ok. lucas
>>
>> http://www.minibite.com/america/malone.htm
>
I just went through this with my Sear/Tecumseh. I'm fairly sure it was
triggered by the E10 gas that my favorite (read, "cheap") gas station
sell. Someone on this group suggested using Stabilizer (from Home
Depot). I don't know what that is but it improved the situation a bit.
Then I switched to high test gas plus stabilizer and things went back
to normal.
In general, you must resist the urge to fiddle with all the screws.
They didn't turn themselves so there is little reason to think you
should tighten them.
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