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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 28631
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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Troy bilt self propelled mower 21" starts wont run changed

Customer Question

Troy bilt self propelled mower 21" starts wont run changed gas cleaned carb changed plug and cleaned mag runs short time with ether
JA: Thanks. Can you give me any more details about your issue?
Customer: then wont stay running
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Submitted: 1 year ago.
Category: Small Engine
Expert:  Curtis B. replied 1 year ago.

When you cleaned the carburetor, did you remove the needle from the unit? Was the needle solid metal, no rubber tip? With all metal needle, there will be a rubber seat, in the upper needle valve passage. I have seen this seat swell up from ethanol , and plug the opening, so no or very little fuel gets to the carburetor bowl.

Expert:  Curtis B. replied 1 year ago.

Repair is to replace the needle and seat.