Sounds like a lean mixture. Set wide open throttle, turn main jet screw in until rough, out until smooth plus about 1/4-1/2 turn. Do the idle the same way. Repeat as necessary until it will accelerate smoothly from idle to full rpm when throttle is moved rapidly from idle. Set timing by ear for max RPM. If that does not work and points are set at .020 and plugs at .023-.025, your carb is not completely clean, or you have a distributer problem, possibly worn shaft, etc.
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Today's Featured Article - A Question for Dads This recent topic from the Tractor Talk discussion board is being highlighted because it is an awesome display of the caliber of individuals that have made this site their own. The young person asking questions received positive feedback and advice from total strangers who "told it like it is" with the care many reserve for their own kids. The advice is timeless... so although it isn't necessarily antique tractor related, it will be prominently displayed in our archives to honor those who have the courage to ask and those who have the courage to respond in an honest, positive manner.
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