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

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  #1  
Old 20th March 2023
HarleyAsh HarleyAsh is offline
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Default No click

So......I have a new starter relay a new starter solenoid, I bridged across the live on my battery to the live on my starter relay but still no click? it was mentioned to me about the electronic ignition but I do not know how to test this? the bike is turning over but not firing and I have no spark at the plugs. I have tested the coil and that seems to be fine as do the HT leads. I am now pulling my hair out as to why it is not firing, so if anyone can through any advice my way I would be very happy
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  #2  
Old 20th March 2023
wolfryder wolfryder is offline
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Default No Fire

What year bike is it?
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  #3  
Old 20th March 2023
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PoodlePunche PoodlePunche is offline
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Default

if the motor is turning, then the starter is working.

step one: check for spark.
Pull one of the spark plugs or use an inline tester.

if there is spark, then it's likely a fuel issue.

if no spark remove the points cover and check if you have points or an electronic upgrade.

Next step will depend on which ignition system you have.
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Last edited by PoodlePunche; 20th March 2023 at 18:38..
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  #4  
Old 20th March 2023
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sungod sungod is offline
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Default

Quote:
Originally Posted by HarleyAsh View Post
So......I have a new starter relay a new starter solenoid, I bridged across the live on my battery to the live on my starter relay but still no click? it was mentioned to me about the electronic ignition but I do not know how to test this? the bike is turning over but not firing and I have no spark at the plugs. I have tested the coil and that seems to be fine as do the HT leads. I am now pulling my hair out as to why it is not firing, so if anyone can through any advice my way I would be very happy
Jumping bat + to the relay red will not create a click.
When the start button is enabled and pressed the black wire energizes the relay coil and connects red to green.
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  #5  
Old 21st March 2023
HarleyAsh HarleyAsh is offline
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Default

Quote:
Originally Posted by wolfryder View Post
What year bike is it?

1978


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  #6  
Old 21st March 2023
doodah man doodah man is offline
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Default

Can you tell us exactly what ignition you are set up with? and what you did to time it?
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  #7  
Old 21st March 2023
HarleyAsh HarleyAsh is offline
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Default

Quote:
Originally Posted by PoodlePunche View Post
if the motor is turning, then the starter is working.

step one: check for spark.
Pull one of the spark plugs or use an inline tester.

if there is spark, then it's likely a fuel issue.

if no spark remove the points cover and check if you have points or an electronic upgrade.

Next step will depend on which ignition system you have.

it has electronic ignition.


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  #8  
Old 21st March 2023
HarleyAsh HarleyAsh is offline
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Default

Quote:
Originally Posted by doodah man View Post
Can you tell us exactly what ignition you are set up with? and what you did to time it?

It has electronic ignition. I did not set up the timing, it was running fine but there was some loose wire in the switch control and I made a mess of some soldering which started my problem


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  #9  
Old 21st March 2023
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sungod sungod is offline
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Quote:
Originally Posted by HarleyAsh View Post
It has electronic ignition. I did not set up the timing, it was running fine but there was some loose wire in the switch control and I made a mess of some soldering which started my problem


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Was the wirinig problem related to the stop/run switch or push button?
With the keyswitch on ignition and the stop/run switch on run, check the white coil wire for power.
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  #10  
Old 21st March 2023
HarleyAsh HarleyAsh is offline
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Default

Quote:
Originally Posted by sungod View Post
Was the wirinig problem related to the stop/run switch or push button?
With the keyswitch on ignition and the stop/run switch on run, check the white coil wire for power.
I will check this after work tomorrow, cheers.
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