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Sportster Motorcycle Engine Conversions Advice, questions, and tips for 1200, 1250, 1340, 1450 etc... for Sportster and Buell motorcycle engine conversions

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  #11  
Old 22nd July 2019
CDeckner CDeckner is offline
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Join Date: Oct 2018
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Sportster/Buell Model: XLH883
Sportster/Buell Year: 1989
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Quote:
Originally Posted by juzyHD View Post
Not carb related but I would also pay atention to a weak primary design on this 4 speed engine...
Absolutely. I had to rebuild the transmission and the primary on it so I upgraded the trapdoor with the zippers and the sealed magnet rotor with an Barnett extra plate for the clutch pack.
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  #12  
Old 22nd July 2019
CDeckner CDeckner is offline
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Sportster/Buell Model: XLH883
Sportster/Buell Year: 1989
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When I talked to Dan over at hammer about my build I talked with him about my super e. He said I could run it but might have issues getting it tuned perfect. He suggested that any further work is definitely going to require a Mikuni or if I had a lot of trouble dialing in the s&s. I’m at the 90+HP package level which is probably all I’ll really want as far as power. I like munching miles over seeing how fast I can get to the next stoplight.

I’m not really wanting to throw down an additional 1k to upgrade to a Mikuni at this point unless absolutely necessary. If I was going to upgrade the carb I would probably convert to a cv carb those are cheaply had used. Unless I can find an hsr45 for a steal. Or if I really wanted to get froggy call the folks over at lectron for one of their fancy carbs.
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  #13  
Old 23rd July 2019
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juzyHD juzyHD is offline
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Join Date: Mar 2015
Location: Europe Slovenia
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Sportster/Buell Model: sportster 1200
Sportster/Buell Year: 1986
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Originally Posted by CDeckner View Post
Absolutely. I had to rebuild the transmission and the primary on it so I upgraded the trapdoor with the zippers and the sealed magnet rotor with an Barnett extra plate for the clutch pack.
There are reports of vtwin sealed baskes failures. They are weaker as stock baskets...
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