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Why HD motors run so poor

  • Thread starter Thread starter lecroy
  • Start date Start date
L

lecroy

Guest
I use Keihin carbs and my last one was getting a bit too drilled and welded so I looked around for a used one on eBay.

As it turns out that some HDs used a butterfly Keihin so I ended up with one. This thing was BLACK. Someone rejetted it and was it running rich. It took about an hour to get the throat cleaned.

I am thinking the idea is rejet it, if it burns more fuel and sounds rougher than it has to be better.
 
It's cause we only have two cylinder's :D

My Sportster has a 40mm Keihin carb and jetted 170/42 and the oem slide has been replaced with a lighter one for better throttle reponse. If your not careful with the choke you can carbon up the pistons pretty fast.

My other ride is still faster.
 
One of the reasons I hate getting stuck behind Hawgs is that so many of the carbs are set up incredibly stinking rich. As if being loud and slow weren't bad enough, they have to smell bad, too.
 
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