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OS FX 91 carb swap - 11/8/2012 8:28 PM   
rodders


 

Posts: 154
Score: 100
Joined: 12/31/2002
Last Login: 5/22/2013
From: Somerset, , UNITED KINGDOM
Status: offline 		Hello there.
I have a new in box OSFX91. It's been in my draw since the 91 FX fistst came out.

I have just bought one of the arf dirty birds and have toyed with putting the engine in.

On doing some research I notice all the threads about carb/needle valve issues.
I have the early type of engine with the metal valve housing.
My question is can I just fit a carb with the needle valve at the front and totally dispense with the rear mounted needle valve?
If I can what's the part number?

Regards
Rodders

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RE: OS FX 91 carb swap - 11/12/2012 3:57 PM   
Bax


 

Posts: 17297
Score: 169
Joined: 4/26/2002
Last Login: 5/23/2013
From: Champaign, IL, USA
Status: offline 		You will need to measure the intake diameter to see what size carburetor the engine can take. Then, purchase a .91-sized carb with that dimension at the neck of the carb that goes into the engine. O.S. doesn't have a part to fit.

_____________________________

Bill Baxter, Manager Hobby Services/Futaba Service/North America
3002 N. Apollo Dr. Ste. 1 Champaign, IL 61822 USA
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All Forums >> Glow Engines, Gas Engines, Fuel &amp; Mfg Support Forums >> Engine Manufacturers Direct Support Forum >> O.S. Engines Support >> OS FX 91 carb swap
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