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Registered: 08-2009
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1984 Harley Ironhead XLH Sportster


hello everyone, im new to this site, but i figured id try it out. if anyone could tell me how to and which screw to turn, i need to tune my S&S Carb to let me be able to ride my Harley. its got a 1200 engine on it or maybe 1100 im not sure, but for some reason i had her running at idle in my front yard, and now she wont hold idle i think the guy i had come out last to look at her turned one of the screws or both of them and now she wont idle, i know shes runnable and all i have rode her, but she osunds differnet ever since that guy left.
if anyone can help id be much appreciated, im wanting to run her tomorrow but i cant if she wont hole idle, i know the one screw is the throttle screw or w/e but theres another screw actually on the carb and im not sure what its for or what it does, other than adjust the carb, i tried playing with it but rather then hurt my harley i want to know what i should do??? i cant afford to pay ayone or nothing im on unemployment and will most likely have to sell my bike emoticon
8/8/2009, 7:52 pm Link to this post Send PM to BigRobky
 
BigRobky Profile
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Re: 1984 Harley Ironhead XLH Sportster


BTW this is not the original engine its an updated one and has about 10k or less on the motor
only 29k orig on the body
8/8/2009, 7:54 pm Link to this post Send PM to BigRobky
 
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Registered: 11-2008
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Re: 1984 Harley Ironhead XLH Sportster


This should help:

S&S carbs - HarleyHelp.com







---
“We can't solve problems by using the same kind of thinking we used when we created them.”
~Albert Einstein
8/9/2009, 10:04 am Link to this post  
 
BigRobky Profile
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Re: 1984 Harley Ironhead XLH Sportster


you freaking ROCK, thanx dude, now one more question, i believe someone put sugar in my gastank, and my harley isnt running because of that, i drained the tank and put some new gas in it, but its still activng like itll start, and then die, i dont wanna drain my new battery, so im thinking since i know sugar in a gas tank cant hurt an engine, it doesnt dissolve in gas, is there a way to clean the fuel filter? and where the heck is it??? lol. i see something in the tank, but im not sure if thats the filter or w/e. and is there a guide on how to clean an S&S Carb?? cause im sure i gotta do that also!!!! dangit... i hate people that think they can get back at you by ruining your stuff, isnt it vandalism?? i wanna file a police report!!! lol, i wish, i dont get along with cops tho emoticon
8/9/2009, 4:28 pm Link to this post Send PM to BigRobky
 
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Re: 1984 Harley Ironhead XLH Sportster


There is a screen on the tank fuel valve petcack (this forum won't let me say pet****), inside of the tank. You can just remove the petcack from the tank and the screen will come out with it, just blow it off with compressed air.
 You can clean the carb with carb or brake cleaner (the kind with a straw on the nozzle), but you will have to remove and disassemble the carb. Use a 0.005" feeler guage to clean the slot at the top of the excelorator pump nozzle.

Whether or not sugar can disolve in gas, it can still get into the combustion chamber, and that will hurt your motor. heat melts sugar into a hard chrystal and can coat everything in your combustion chamber. usually this will foul the spark plugs before it can cause any other damage.

I would:
Remove the fuel tank and clean it,
Remove and clean the petcack and screen,
Clean the carburetor,
Change the spark plugs,
Reassemble and refill with clean fuel.

Before you do all of this, I would try to confirm that fuel contamination is the correct diagnosis and not something else causing your problem






---
“We can't solve problems by using the same kind of thinking we used when we created them.”
~Albert Einstein
8/9/2009, 8:05 pm Link to this post  
 


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