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TOPIC: Re:42mm carb has excessive fuel over flow
#114676
Bruzer (User)
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42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
I am installing 42 mm carb, it is on but i have over flow happening is this due to the float or someother adjustment?
 
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#114720
Big Bear (Moderator)
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
Bump
 
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#114741
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
Can you give a little more information? When is this happening and where is the gas coming out? If you are just sitting there in neutral and gas is coming out the carb body you more than likely have a float problem. But a little more info please.
 
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2.5MM Float Assy
170 Main Jet
3rd clip on the needle
2.5 turns out PMS
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#114750
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
What brand 42 is it ...CougB
 
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#114752
Flashback (Moderator)
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
What size float valve do you have? If the carb is setup for gravity feed (most are, unless they are a speedstar version), the fuel pump will not work with it..forces fuel past the needle...you will either need to remove the pump, or change to a smaller float valve...
 
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#114769
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
Flashback wrote:
What size float valve do you have? If the carb is setup for gravity feed (most are, unless they are a speedstar version), the fuel pump will not work with it..forces fuel past the needle...you will either need to remove the pump, or change to a smaller float valve...

Hey Flashback,
I just put that 2.5mm float valve in my carb and kept the fuel pump, so far no problems, are you telling me to watch for some? I didn't like the sound of that
The bike seems to be running good so far...
Howie
 
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2.5MM Float Assy
170 Main Jet
3rd clip on the needle
2.5 turns out PMS
Proud Member of Patriot Guard Riders
Hirams Riders M C


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#114778
Bruzer (User)
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
42mm Mikuni from Sudco, Bought through Barons, over flowing through lower over flow hose only when running,seems to idle fine rev has slight burp, i have adjusted float tab seems to have stopped, now I am concerned about float level. thanks for all your input as this is all pretty new.
 
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Last Edit: 2008/09/01 11:49 By Bruzer.
 
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#114780
Bruzer (User)
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
Have not removed fuel pump yet, understand this can create problems?
 
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Last Edit: 2008/09/01 12:00 By Bruzer.
 
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#114789
Hotelfox (User)
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
We need to wait till Gram, Big Bear or Musky weights in on this. I'm not really sure.
Just hang on for a bit.
Howie
 
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2.5MM Float Assy
170 Main Jet
3rd clip on the needle
2.5 turns out PMS
Proud Member of Patriot Guard Riders
Hirams Riders M C


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#114791
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Re:42mm carb has excessive fuel over flow 4 Months, 1 Week ago  
Ok I think I am in over my head It starts fine cold but now dies out, and has poor throtle response chokes out when throtle is opened up, I am fairly comftable with getting in there and doing my own work but this is kiling me any and all help would greatly be apprieciated!
 
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