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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 1 Week Ago
Hooligan1%er Hooligan1%er is offline
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Angry If it isn’t one thing it’s another ... ( starter now )

So even tho I never got to finish diagnosing the one cylinder firing issue , then the starter gives out . I but a brand new battery and this ....

In the 2nd video I’m cranking the bike over with the plugs out Of the holes .. sounds fine I think .

In the 1st video the plugs are in the holes and it sounds like the starter is dying . Won’t even turn the motor over .

We are only at 120 psi rear , 123 psi front . Shouldn’t be that difficult. Can anyone give me a little insight to WTF is happening here ?

Thank you .

https://www.dropbox.com/s/92je6iypvd...%2C%2012%2032% https://www.dropbox.com/s/26i5g51nuy...%20PM.mov?dl=0
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  #2  
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the link doesn't work for me
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sounds like not enough battery.

Put it on a tender overnight and load test tomorrow.

Try this link https://www.dropbox.com/s/92je6iypvdo92pp
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that link is a sign up page

try jumping with a larger battery. when i added electric foot to my ch, i adapted a 400+cca lawn tractor battery, the hd-12 is marginal at a little over 200cca.
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Hooligan1%er Hooligan1%er is offline
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https://www.dropbox.com/s/92je6iypvd...%20PM.mov?dl=0

https://www.dropbox.com/s/26i5g51nuy...%20PM.mov?dl=0


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What voltage is at the starter when the key is on? What voltage is at the starter at while cranking? Does the battery charge to 12.7 vts or above?

Check the battery leads. Sometimes they corrode inside.

Try turning the engine over by hand (rear wheel in air) to see if there is a mechanical drag.

Try pulling all the other fuses except the starter circuit to check for other issues causing problems.

That's all I can think of. Hope it helps. Welcome to the forum.

Keith
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