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Ironhead Sportster Motorcycle Talk (1957-1985) For all those that wanna talk about Ironhead Sportster Motorcycles

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  #141  
Old 19th July 2012
hellbilly713's Avatar
hellbilly713 hellbilly713 is offline
Master Mechanic
 
Join Date: Jul 2012
Location: in my own world
Posts: 298
Sportster/Buell Model: XLCH chopper
Sportster/Buell Year: 1969
Other Motorcycle Model: H-D Rapido 125 dual sport
Other Motorcycle Year: 1969
Reputation: 1491
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I did find the miki 38 on amazon for less than 100 with shipping included. So I charged my battery all night last night. I have a 1 amp 6/12 volt good charger. I am thinking it might really help to have a full charge to fire better. I do want to convert back to a magneto to eliminate a bunch of wiring.
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  #142  
Old 19th July 2012
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Sportster/Buell Model: XLCH
Sportster/Buell Year: 1974
Other Motorcycle Model: 1999 FLHTCUI
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Not really sure how much wiring you will save by going back to a magneto, as my generator only has 2 wires from it to the regulator. The regulator is right by my battery, so that wiring is barely noticable. Anyways, I just wanted to say that I am running a carb that is known for being junk, or hard to tune, will come back to that in a bit. I am running a Keihin BD, screamin eagle carb. Was a bit of a bear to tune. It has a low and high range jet system with an intermediate air bleed, along with an accelerator pump. Now, since this carb has long since been obsolete, you cannot get any parts for it, except for some jets. The one thing you cannot get is the intermediate bleed, but you can cut down the low range jets, or you can drill the jets yourself, i go for option 2. The intermediate bleed is just an adjustment point for wherethe carb shifts from running off of the low range jet, to the high range jet, and I believe that is where this carb got its bad reputation from. So after many adjustments of timing and switching out of jets and test runs where I kept track of ambient temperature, approximate humidity, I also recorded how the bike ran, and if there were any issues along with what rpms they occured.
After a little dedication I now have a POS carb that will start on the first kick (2 primes no ignition) when cold, and 1 kick when it is warm. It also makes the motor run extremely well on the top end. I have an S&S B to start playing with next, but cannot come up with a reason to mess with a good thing at this point. Not sure how much more power I would gain anyways.
No matter which carb, or combination of any kind of what nots that you buy, you are going to have to spend some time and effort to get everything tuned properly, and then figure out how the motor likes to start, no way around this.
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  #143  
Old 22nd July 2012
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hellbilly713 hellbilly713 is offline
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Join Date: Jul 2012
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Sportster/Buell Model: XLCH chopper
Sportster/Buell Year: 1969
Other Motorcycle Model: H-D Rapido 125 dual sport
Other Motorcycle Year: 1969
Reputation: 1491
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That does help ease my mind a little. i hate to buy a new carb and that not be the issue. i am trying my butt of to get this bike to start and run. i am sck of walking all over or taking a bus or cab. its lame and im tired of not riding my chopper. im going to mess with it more tday so i might be able to go out and ride on my bday Wednesday. who knows, it might be my main problem or just a small issue among something worse. o well, staying home saves me money i guess
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  #144  
Old 10th August 2012
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416rigby 416rigby is offline
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Sportster/Buell Model: XLCH "correct for era" HA
Sportster/Buell Year: '62
Other Motorcycle Model: G80 matchless
Other Motorcycle Year: 60
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Default With the help of the piniongear--

Here is a '62, 1 or 2 kick , fixed magneto, in handlebar throttle cable, old mikuni, homemade spring seat, XLCH



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  #145  
Old 10th August 2012
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Sportster/Buell Model: XLCH
Sportster/Buell Year: 1971
Other Motorcycle Model: FXDL
Other Motorcycle Year: 2003
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Beautiful machine you have there!
I sure wish I had a 1962 with a mag, that will start on 1 or 2 kicks.
Nice job you did on the seat too.

How do you like the seat?
Isn't it just about the most comfortable seat you ever sat on?
pg
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Rolling down the highway on two wheels since 1957...
Owner Red/White 1971 XLCH & 2003 FXDL-Silver over Black
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