Yes, I have zethins. The probem was I would not get fuel but I would get pressure from the new pump. Replaced the fuel lines.

I have checked the floats. They're within specs. Pressure is correct. 3-4 PSI

Carbs were disassembled, cleaned, air passed through all the openings. I'll go through the manual and check everything else. Any ideas would be greatly appreciated.

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72 250 M130 W114