12-04-2012, 08:08 PM | #11 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
This is the first tank Of fuel as I just finished the full rebuild. 40:1 seemed to be the standard break in mixture, but I don't own a manual.
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12-04-2012, 11:22 PM | #12 |
I Refuse To Get Stuck!!!
Join Date: Jun 2010
Location: Hilton,NY
Posts: 5,427
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Re: 2pg carb question
40 or 50:1 ok for break-in,then switch after a tankful.
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12-08-2012, 10:23 AM | #13 | |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
Quote:
So I pulled the carb again. Removed the bowl, and checked the float. As far as I can tell, the float is sitting level when the carb is upside down. I then removed the float and pulled the needle out. Everything looked really clean, even with my magnifying glass. For good measure, I sprayed everything out with carb cleaner, and reassembled. The cart started and ran great for a minute or two. Stopped and started three times. On the fourth start, it bogged down as soon as I touched the pedal, with fuel coming out of the clear breather tube. It also started smoking badly when running like this. I feathered the pedal and eventually it straightened out and ran smoother. But when I stopped and started again, it started bogging again and leaking from the tube. It almost runs like I've got the choke pulled, but it's definitely not pulled. I find it hard to believe that debris is passing thru 2 brand new filters and into the carb. But I suppose it's possible. Not sure what to do next?? |
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12-08-2012, 11:08 AM | #14 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
Could these symptoms be indicative of a bad fuel pump diaphragm? I am leaning toward carb issue just because it ran smooth for a bit upon reassembly. Is there an adjustment I'm missing?
Last edited by frodrummer; 12-08-2012 at 11:15 AM.. Reason: . |
12-08-2012, 07:14 PM | #15 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
Tore the carb down as far as I could, and cleaned everything really good. Put it all back together and still leaking fuel from the breather tube and dripping from the carb where air cleaner hose attaches. Still flooding itself out and running terrible.
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12-08-2012, 10:20 PM | #16 |
Gone Wild
Join Date: Aug 2012
Location: South central IL
Posts: 287
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Re: 2pg carb question
Try adjusting the float a little bit.
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12-09-2012, 12:39 AM | #17 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
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12-09-2012, 07:16 AM | #18 |
Getting Wild
Join Date: Aug 2012
Location: minnesota
Posts: 103
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Re: 2pg carb question
With the carb upside you would want to adjust the float up, so that the non hinged end is just a little higher. I have an 87 that runs just like you are describing, the motor is freshly rebuilt but I don't have any fuel leaks. I am suspecting that the two problems are not totally connected. I think my fuel mixture at 40:1 is either leaning it out to much or fowling the plug making it run bad. I have run a half a tank through and now its 10 degrees out so would it hurt it any to go to the 128:1 and keep running it like this in the cold?
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12-09-2012, 08:50 AM | #19 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
Thanks for the info fellas! Another question, does the longer rear tab on the float act as a stop? I know that both tabs need adjusted in unison, but I want to get them adjusted correctly. With the carb upside, does the longer tab on the back of the float get adjusted in or out?
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12-09-2012, 09:07 AM | #20 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 2pg carb question
Also, is the needle valve supposed to have a rubber tip? Mine does not.
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