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

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  #921  
Old 14th October 2018
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good deal.any ideas on what caused the noise previously?
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  #922  
Old 15th October 2018
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Rod bearings.
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  #923  
Old 16th October 2018
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The bike is great Cory, and the threads you’ve created on the way have been extremely helpful- thank you. Hope you enjoy riding it!
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  #924  
Old 27th December 2018
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Quote:
Originally Posted by needspeed View Post
It looks like part 35151-74 is a normal single lip seal and is superseded by 35151-74a which is double lip with that crazy spring that falls off.

I'm curious what was there when you took it apart.
I've found a reference photos of the original 35151-74 oil seal. It turns out that it was National seal, #481163 made in USA. Production date on the NOS harley packaging is from 1976.





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