Rotax 912 ULS Bing 64 CARBURETOR FLOODING
in General Tech Discussion
13 years ago
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Re: Rotax 912 ULS Bing 64 CARBURETOR FLOODING
by James Christison » 13 years ago
This problem is only on one carby. Both carbys were sent to a service centre to be serviced after it was noticed that one was leaking over night so decided to get both overhauled. New floats and levels checked.On putting back on, i had the same problem, slow leak and over flow on one carby. As far as i know the seat has never been touched I would have thought a small tool with a tip the same angle of the tip of the jet could be inserted in the hole and either given a light tap or lapped with some paste.Something must be able to be done if a new carby costs $1100.
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Re: Rotax 912 ULS Bing 64 CARBURETOR FLOODING
by Roger Lee » 13 years ago
Don't take offense to this next question.
Why are you so sure it is the needle valve metal seat? Can you actually see an issue? It would be worth sending back to Bing and have them fix a bad seat if it is bad. If it is bad they may even repair it for nothing if it is a factory defect.
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell
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Re: Rotax 912 ULS Bing 64 CARBURETOR FLOODING
by James Christison » 13 years ago
Fair question Roger,I swapped needle valves from one side to the other and the problem stayed with the carby.How far do you go to verify the problem? But yes,it could be sent back to Bing but I'm surprised that this situation is so rare it seems. I thought someone would pipe up with a very easy fix. Thanks for your input.
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Re: Rotax 912 ULS Bing 64 CARBURETOR FLOODING
by Alan Arnold » 13 years ago
I had this exact same problem with almost 500 hours. See the "float tab postion" thread in "4 stroke technical questions". Go to the second page on the list of threads.
So far I have had no repeat issues.
Alan
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Re: Rotax 912 ULS Bing 64 CARBURETOR FLOODING
by Andrew Dunning » 6 years ago
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