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Do a compression test if you have a gauge
Terry Stapley Terry if you have a compression tester check the compression in each cylinder they should all be within 10%. If they are, See if you can barrow a leakdown gauge and check this too. They should be no worst than 8-10%. Lean is not good. The accelerator pump on the carb is covering the lean out under what you are saying. Go up 2 sizes on the primary jets for starters and turn in the mixture screws, 1/4 turn and see what happens. The LM-1 is what is really needed to check out the motor. Rick L. PS you are not using any E-85 gas? I know all gas can have up to 10% ethonall in the fuel now. wonder if this hurted the carb?
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