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Heymow - Lawnmower Racing Forum
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Briggs OHV & Vanguard
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Topic:
Gas leaking in valve cover
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Topic: Gas leaking in valve cover (Read 5527 times)
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Mickey mower makin
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Gas leaking in valve cover
«
on:
August 14, 2017, 12:06:08 am »
Single ohv briggs .i been fixing the motor up and i took the valve cover off today it had gas all in it.did i set the lash wrong or is it getting too much gas .also the gas shut off was left open
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cycloneracer
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Re: Gas leaking in valve cover
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Reply #1 on:
August 14, 2017, 12:28:43 am »
Float in carb not closing needle and seat.
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Paul Krueger
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Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #2 on:
August 14, 2017, 04:23:15 pm »
Now that i think of it i dont remember seeing a seat when i put the needle back.thanks
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BIG AL 202
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LET'S GO FIND A NEW PLACE TO RACE MOWERS!
Re: Gas leaking in valve cover
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Reply #3 on:
August 14, 2017, 08:25:38 pm »
OOPS!
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Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #4 on:
August 15, 2017, 12:12:12 am »
This was someone elses mower before i got it.When i first cleaned the carb i bagged everything .i never noticed the seat wasnt there.i noticed the needle tip was rubber and was wonderin does it still need a seat since its a rubber tip
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Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #5 on:
August 15, 2017, 03:53:49 pm »
I found this on (outdoorpowersports.com)....
The inlet seat is molded as a part of the fuel transfer tube body (#6, red). The main jet is removable. It sits at the bottom of the fuel transfer tube and is slid in from the top....
Has anyone heard of a molded inlet seat for the needle?
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chavez
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Re: Gas leaking in valve cover
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Reply #6 on:
August 25, 2017, 02:34:11 am »
easy, when you took the carb apart, the needle came out of a hole. Now do tell if that hole has a brass sleeve in it with a tiny hole (1/16" or 1/8") that's your difference. big one gravity feed, little one fed by pumping apparatus
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Travis Callaway
Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #7 on:
August 25, 2017, 06:43:46 pm »
Thanks Chavez but my ? Was if anyone had heard of a molded needle seat instead of a rubber one that can b changed....I went to the briggs shop and they confirm that it is a molded seat in my Nikki carb
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Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #8 on:
August 25, 2017, 06:51:37 pm »
The leak came from a bad gasket ,not the big main carb gasket but the small round one .some carbs it's part of the main carb gasket and some it's seperate
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chavez
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Re: Gas leaking in valve cover
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Reply #9 on:
August 25, 2017, 10:40:46 pm »
Guess I made the assumption you had a walboro carb...haven't ran into any niki on ohv singles around here.
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Travis Callaway
Mickey mower makin
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Re: Gas leaking in valve cover
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Reply #10 on:
August 26, 2017, 08:38:55 pm »
I'd rather have the walbro
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Heymow - Lawnmower Racing Forum
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Engine Help
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Briggs OHV & Vanguard
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Topic:
Gas leaking in valve cover