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4.75 Briggs will not stay running.

#1

J

jfulton50

Took carb apart and cleaned with spray cleaner. Was afraid to put in bucket of carb cleaner. Replaced primer bulb. Cranked it up and it ran for a few seconds and if I bounced the mower up and down it would keep running but if I let it sit it would stop. Didn't know if there was a needle valve stuck possibly. Any suggestions?
Thanks,
John


#2

M

mechanic mark

Post engine numbers from data plate, check spark plug & air filter for replacement, fresh gas in tank.


#3

B

bertsmobile1

Crap in the fuel tank


#4

R

Rivets

Viton seat swelled, not allowing enough fuel into the float bowl.


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