Need help getting my ht75 running right

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HT75 New Carburetor

I just installed a new S157 (which has all three adjustment screws) I bought off Ebay for $50, along with a new spark plug. Runs perfectly. Took 1 1/8 turns on the high speed screw and 1 turn on the low speed screw to run clean and not bog. For that price I couldn't really justify putting a kit in the old carb, which acted like it had trash in it. Anyway, it's running well now.
 
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