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ignition module replacement

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Old Jun 17, 2021 | 09:59 AM
  #1  
Steady birage's Avatar
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Default ignition module replacement

2001 soorty 1200 , I have a bad ignition. Mode, on my old one there is black,white ,green, purple,and pink wires . On my compufire replacement there is red, which is not on my old wire plug, then green black white and thats it. So leaves me with red on the new compufire and purple and pink on the old plug. Any idea what I need to do for the wires ??
 
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Old Jun 18, 2021 | 07:26 AM
  #2  
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Email or call the manufacturer? That's normally my first line of attack.

Good luck!

John
 
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Old Jun 20, 2021 | 09:40 PM
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The 5th wire missing from the Compu Fire ignition module is likely the VOES wire, or the bank angle sensor wire, my money would be it's the BAS wire. Did the new ignition unit come with instructions for wiring and static timing?

Stock ignition wire functions:

Black [ground]
White [+12V power to module/coil]
Green [bank angle sensor wire]
Purple [VOES wire]
Pink [ignition signal wire]
 
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Old Apr 4, 2025 | 08:30 AM
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Default Almost there

Discovered there is a Crane Cam h1-4 installed. So anyway finally got it started however while it's running there's a backfire or cough like sound from the carburetor every few minutes but continues to running. What causes this?
Video of it running was to large to post
Video of it running was to large to post
 
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Old Apr 4, 2025 | 09:34 AM
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Cough at carb frequently indicates lean mxture
Air leaks at intake ?
Carb jets too small

( P.S. you`re posting in the Sportster section)
 

Last edited by eighteight; Apr 4, 2025 at 09:36 AM.
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Old Apr 4, 2025 | 10:29 AM
  #6  
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What type carburetor?

It`s best if you don`t tag onto old threads, just start your own new thread in the correct section of the forum.
 

Last edited by Dan89FLSTC; Apr 4, 2025 at 10:33 AM.
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Old Apr 4, 2025 | 10:37 AM
  #7  
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Default Keihin carburetor HD

Think I spelled it correctly. However it mounts to the head ports with rubber like boots from manifold attached to the carburetor. Is this normal?
 
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Old Apr 4, 2025 | 10:39 AM
  #8  
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Yes, rubber compliance fittings were used early on
They crack and leak
 
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Old Apr 4, 2025 | 10:50 AM
  #9  
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What are they described as I'll replace them if I know what to call them when ordered?
 
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Old Apr 4, 2025 | 10:54 AM
  #10  
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Originally Posted by Hmason
What are they described as I'll replace them if I know what to call them when ordered?
"COMPLIANCE FITTING"
F is #27008-83A
R is #27012-83A

NLA from HD
But D.Kirk has aftermarket version

 

Last edited by eighteight; Apr 4, 2025 at 11:06 AM.
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