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78 Skunk1000 Power Loss @5500

  • Thread starter Thread starter Caferob
  • Start date Start date
C

Caferob

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Hey Guys!

Does having K&N Air pods and a 4-1 exhaust need any carb tuning?


Thanks for any help. IMG_7171.jpg
 
Last edited:
Are we talking shimmy in the needle type tuning or different jet sizes?
 
Bigger main jet, maybe raise the needle a notch. Nothing major.
With the VM carbs it's very easy to get the jetting right.
 
tkent02 said:
Bigger main jet, maybe raise the needle a notch. Nothing major.
With the VM carbs it's very easy to get the jetting right.
Click to expand...

Any suggestions on the size or jet kit that I can play with?
Raise the needle by moving the shim towards the tip or away?

Sorry, im still learning the logistics of this. trying to embrace it so I can adjust when needed
 
Probably about a 120 main jet, but that's just a wild assed guess. I live at 6,000' elevation so I don't know what you will need.
As far as the needle, if you do need it, just move the clip up or down a notch to move the needle up or down. Whether or not you need it you will have to ride it to find out.

There is a lot of information about tuning VM carburetors available online.
 
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