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06-14-2009, 08:33 PM
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#1 (permalink)
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Senior Member
Join Date: Jun 2009
Location: Lyman, ME
Posts: 119
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1998 Fxd running crappy
Hey guys I'm new to the forum!
I just bought a 1998 Fxd(see signature) it has pipes and a hi flo air cleaner. The reason I'm posting is it's running really lean. I pulled the plugs and they are very white. Only around the ground and center electrodes though. The base of the plug seems like a good blackish color. I just took the tank off and put on new throttle cables and fuel lines. The bike was left outside and everything is pretty gummed up and rusty. While riding the bike pops a lot when you let of the throttle or coast down a hill on the compression. It also is pretty sluggish when you first get on the throttle. The guy I bought it from said it had a carb upgrade but didn't didn't know the jet size or anything. I'm gunna to take the carb of this weekend and really clean everything well. I'm just wondering if I should re jet( beacuse I don't know what's in there now) or what else I could try to get it running better. It does have the mixture screw opened and I have it turned out almost to the point where it will fall out. I'm also wondering what people are running for jet sizes with the similar se pipes and k&n set up I've got.
Thanks guys!
__________________
"Don't hit at all if it is honorably possible to avoid hitting; but never hit soft."
Theodore Roosevelt
"Speak softly and carry a big stick; you will go far."
Theodore Roosevelt
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06-14-2009, 09:04 PM
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#2 (permalink)
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Appalachian American
Join Date: Apr 2009
Location: Lexington Ky.
Posts: 3,843
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try some seafoam first.
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06-14-2009, 10:30 PM
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#3 (permalink)
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Senior Member
Join Date: Jun 2009
Location: Lyman, ME
Posts: 119
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how do you go about using seafoam in a motorcycle? What vaccum line is there I can pour it into
__________________
"Don't hit at all if it is honorably possible to avoid hitting; but never hit soft."
Theodore Roosevelt
"Speak softly and carry a big stick; you will go far."
Theodore Roosevelt
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06-16-2009, 08:06 PM
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#4 (permalink)
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Senior Member
Join Date: Jun 2009
Location: Lyman, ME
Posts: 119
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took the carb off cleaned it all up. It was pretty dirty. Has is has a 185 main and 45 pilot. Put it back on and it was no better. Brought it to a buddy who builds bikes. He took the accelorater pump apart and the diaphram was torn all up. New diaphram and it runs like a dream!!!!! 
__________________
"Don't hit at all if it is honorably possible to avoid hitting; but never hit soft."
Theodore Roosevelt
"Speak softly and carry a big stick; you will go far."
Theodore Roosevelt
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06-16-2009, 08:36 PM
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#5 (permalink)
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CHOPPA RIDN MADNESS
Join Date: Sep 2008
Location: In a van down by the river
Posts: 5,635
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Very common.
__________________
Nothing better than downing beers and throwing lead.
Except riding my Sled. 
"If you treat me good,Ill treat you better.
If you treat me bad Ill treat you Worse."
Lifes journay is not to arrive at the grave safely
in a well preserved body,but to skid in sideways,totaly worn out,shouting"Holy Shit what a fukin ride"...
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06-17-2009, 08:30 AM
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#6 (permalink)
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senior citizen
Join Date: Jun 2009
Location: Port Washington , WI
Posts: 701
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If it still pops and spits a bit put in a 48 pilot jet .
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06-17-2009, 08:43 AM
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#7 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Quote:
Originally Posted by SCHMIDTYS
If it still pops and spits a bit put in a 48 pilot jet .
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It won't pop with a 45 pilot, but the plugs may be a tad too white. I just swapped out my 45 for a 48 and it runs just as good, but the plugs are tanner..... Tan=good. White=bad.
I also suggest shimming the needle jet by 0.05" to get more fuel in the midrange. Too many people skip this step.....
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended. 
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06-25-2009, 03:15 PM
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#8 (permalink)
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Senior Member
Join Date: Jun 2009
Location: Lyman, ME
Posts: 119
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Thanks guys! It's still caughing some when you rev it from idle. So I think I'm gunna go with a 48 pilot. Sucks to have to take carb off again that was a mother getting back on. Wait. Can I I just take the bowl off and get at it from underneath with removing the carb?
Thanks again for the help
__________________
"Don't hit at all if it is honorably possible to avoid hitting; but never hit soft."
Theodore Roosevelt
"Speak softly and carry a big stick; you will go far."
Theodore Roosevelt
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06-25-2009, 03:20 PM
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#9 (permalink)
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Mentally unstable.
Join Date: Jun 2008
Location: Pennsyltucky
Posts: 6,627
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Quote:
Originally Posted by Ohutchins
Thanks guys! It's still caughing some when you rev it from idle. So I think I'm gunna go with a 48 pilot. Sucks to have to take carb off again that was a mother getting back on. Wait. Can I I just take the bowl off and get at it from underneath with removing the carb?
Thanks again for the help
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It's easy to swap jets with the carb on the bike. Just take the aircleaner housing off first.
If it's dogging coming off idle, then you may have a leaking accelerator pump diaphram, which is also accessable from under the carb, and not removing the carb as well.
There's 3 screws and wa-la....
It's sold separate at your dealer. It doesn't come in a carb kit....
__________________
HERD meber #10
DISCLAIMER: Any information, advice or child raising tips I give on this forum should be taken with a grain of salt, 8 hours sleep and at least 6 beers.
Following my instructions will likely lead to death, mental retardation and/or bodily injury, consistant with eating lead-based paint chips, and by doing so, will release me, my family and my dog from any legal action(s) for listening to anything I recommended.
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06-25-2009, 03:45 PM
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#10 (permalink)
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CHOPPA RIDN MADNESS
Join Date: Sep 2008
Location: In a van down by the river
Posts: 5,635
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That why I like S&S change em right on the sled.
__________________
Nothing better than downing beers and throwing lead.
Except riding my Sled.
"If you treat me good,Ill treat you better.
If you treat me bad Ill treat you Worse."
Lifes journay is not to arrive at the grave safely
in a well preserved body,but to skid in sideways,totaly worn out,shouting"Holy Shit what a fukin ride"...
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