I work in a repair shop and when customers leave their generators for months without turning the carburetor jet on and off, tarnished fuel crystallizes out. Typical real onan carbs retail for $450 so I suggest as a second option as we don't all have that kind of money to invest in real carbs I've used a few of these and customers are very pleased with the result are satisfied i customers do not return.
ALAVENTE Carburetor For Ford 240 250 300 YF C1YF 6 Cylinder CIL Engine 1975-1982 D5TZ9510AG, Carb For Carter YF Type, Replace # RSC-300A 6307S 6054 6055 6-736 6056 6057 6058 6059, Automatic Choke
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