Ok, the air/fuel adjustments only go one full turn. I adjusted both a
half turn going from one end of the spectrum to the other. Nothing. I
think I'm going to do a compression check - although, I have no idea
what the compression should be on this guy. I think I may inspect the
carb as well.
If it runs at all don't waste you time with a compression test.
It is starving for fuel when you accelerate. If richening the low speed
(turn out 1/4 turn) does not make it accelerate then I would suggest
replacing the fuel with fresh (from the station, not from a can that was
filled last season) and a new fuel filter. Pay attention to the
condition of the rubber fuel line. If it's mushy or splits easily when
putting on a new fuel filter then you might as well go get a carb kit
for it also.
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