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2N carb rebuild

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Jeff R

12-12-2001 10:47:36




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I took the carb to a local F/N dealer and had it rebuilt after it started leaking continuose after I ran the tank dry now I replaced it and it is very hard to start and when It does run it runs better then it ever has, but when it is hot and I try to restart, it will not it seems like it wants to but just cuts off I also replaced the dist. cap and rotor plus the condenser. any thoughts on this I don't know if there are any adjustment that are needed after a carb rebuild. thanks Jeff

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Rob

12-16-2001 07:33:40




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 Re: 2N carb rebuild in reply to Jeff R, 12-12-2001 10:47:36  
I see a dealer rebuilt your carb but I'll still mention that it is very easy to get the choke plate in wrong. My 2N generally started ok and ran for 45-60 minutes and then stopped. I wouldn't be able to restart it for a good long while. Also it was impossible to start when the weather was damp and chilly.
I rebuilt the carb and found the choke plate positioning was confusing because the choke plate has a spring-loaded valve (choke poppet valve) in it that wouldn't open the way the choke plate had been installed. The parts diagrams in the Manuals and in the rebuild kit weren't clear and seemed to show the choke plate to go in with that poppet valve in there so it never opened! It was difficult and counter-intuitive to install the choke plate so that the choke poppet valve was positioned properly. However, I set it up so the popper valve would be sucked open when the carb was fully-choked and now that 2N starts so good in any weather! Not even one revolution to fire!
Look into the air inlet of the carb and the choke poppet valve should be on the top-half of the choke plate and you can push the poppet open with your finger or other probe.
As you may know the recommended starting procedure is to take it out of gear, set the throttle open about 7 notches, fully-choke the carb, crank the engine and immediately release the choke. That choke poppet valve needs to be pulled open while the carb is choked so a little air/fuel is sucked in. Make sure it's set-up so that happens. I hope you have the same results i got. Good luck.

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BUTCH

12-12-2001 19:31:23




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 Re: 2N carb rebuild in reply to Jeff R, 12-12-2001 10:47:36  
jay is correct-- also check elbow and strainer (brass fitting in carb that fuel line connects)---carb settings should be:air needle ,(small)3/4 turn from closed----- fuel needle,(large)1-1/2 turn from closed.



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Jay 2NSC

12-12-2001 14:35:51




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 Re: 2N carb rebuild in reply to Jeff R, 12-12-2001 10:47:36  
Hi Jeff,you may want to check your gas line from the sediment bowl under the tank to the carb.Where the line hook's up to the carb,remove the elbow,their is a screen in their.Sound's like trash in the gas tank.Hope this help's.Jay 2NSC



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P.S. check the screen in your sediment bowl too.Jay 2NSC

12-12-2001 14:38:01




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 Re: Re: 2N carb rebuild in reply to Jay 2NSC, 12-12-2001 14:35:51  
:)



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