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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14440
Experience:  Certified on Onan and Generac generators
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Brand new carb on a Yamaha yg660de. Runs like a top for

Customer Question

Brand new carb on a Yamaha yg660de. Runs like a top for 60/90 seconds then shuts down. Oil is full tank was drained and new fuel added prior to changing carb. Was doing the same thing prior to the new carb. Unplugged the oil pressure sensor same results. At a loss.
Submitted: 2 months ago.
Category: Small Engine
Expert:  Hank F. replied 1 month ago.

It sounds like the unit is starving for fuel.

Check the filter located in the bottom of the shut off valve for debris.

Customer: replied 1 month ago.
It is not starving for fuel I put a clear fuel line on it to make certain there was fuel going to carburetor when it shut down.

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