Maintenance & Technical > KX500 Original
44 Lectron
martinfan30:
I have searched for awhile in here on this carb. Ireally didn't see specifics other than it will improve mid-top. By how much? Will bottom end suffer at all? I see the 4-2 needle seems the best at 2.05 length. Is that in inches from tip to bottom of the slide? I found lectron.com and they will customize one for my bike at my elevation, etc.
Anything else I need to know about setup, or fitment? Thanks
kaw rider:
Yes, it's a mid to top end carb. If you don't what to lose buttom end then look at the sudco 42mm keihin.
martinfan30:
--- Quote from: kaw rider on November 23, 2009, 09:42:53 AM ---Yes, it's a mid to top end carb. If you don't what to lose buttom end then look at the sudco 42mm keihin.
--- End quote ---
OK, so is the mid to top gain really noticeable? How much will be lost down low? Is a smaller Lectron a viable solution, or compromise? Like a 42 or smaller? I like single track riding, but I also want to smoke my other riding partners KX5's on long straights.
kaw rider:
I think a Keihin 42mm carb is your best choice.
PowerFiend:
This guy should be able to bore your stock carb to 41mm.
www.rb-designs.com
The Sudco is just an overbored 39 PWK, the 39 PWK being the stock carb on later KX500's.
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