Quote:
Originally Posted by Herb Concord Ca
Hi I can't entirely answer your question. Never had passages that were completely blocked. I can't see the internal passages but the water always comes out light brownish. If really dark, a judgement call, I repeat the cleaning a second time. Any surface you can touch feels really smooth and clean. I do mostly Tillotsons and Marvels. The sonic cleaning really takes off the surface dirt and crud. Help this helps.
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Thanks, have had issues in the past with lawn mower, leaf blower, pressure washer carbs where they have extremely small passages that can not be cleaned/unblocked. I do take proper precautions with the gas and storage. Repairing usually involves replacing the carb.
Talked with a couple of small engine shops, seems they replace the carb, is more expensive in labor to try to clean, and sometimes they will not clean out. So they just replace - cheaper. Plus fewer return visits with dissatisfied customers where a cleaned carb may not still be quite right.