Re: M governor rebuild

Posted by Wayne Swenson on April 19, 2007 at 20:17:39 from (71.13.41.243):

In Reply to: M governor rebuild posted by Idaho Jeff on April 19, 2007 at 20:00:38:

Save your money and get the fuel system cleaned instead!
Make sure that there is enough fuel coming to the carb, clean the carb inlet filter, reset the float level, and maybe get the carb re-cleaned.
Have you tried re-adjusting the mixture screws?
With the engine warm & running at wide open throttle (WOT), turn high speed mixture screw (on the bottom facing down to the rear) in until the engine begins to starve for fuel. Then turn the screw out until the engine begins to blubber. Now find the "sweet spot" in between the two settings. If you are working the engine (plowing, etc.), then the high speed screw needs to be turned out 1 turn or more beyond the "sweet spot" to be sure the engine isn"t starving for fuel and can develop its rated power.

The same procedure can be followed for idle mixture with the addition of the idle stop screw (just to the rear of the governor shaft tube) to set the low speed RPM.
On the "H"& “M” carb, the idle mixture screw (faces to the front just below the idle stop screw) is an air adjusting screw so turning in will richen the mixture and out will lean the mixture.
Repeat the procedure again to make sure “all is well”.
Remember, the governor will not fix a fuel starvation problem.

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