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Air box question

  • Thread starter Thread starter badbrown
  • Start date Start date
B

badbrown

Guest
How significant is this peice? I don't hear much about it from my research on carb settings/jets. It's the top of the airbox.
 
It is quite essential as the draw through the airbox will not be the same without it.
 
If you remove it, you'll definitely have to fool with at least the pilot fuel screws if not the jetting.
You'll also get substantially more intake roar.
 
Thats what I figure. Currently experimenting with it on and off the bike along with carb setting changes. The bike is currently running lean because of the 4-1. Don't want to go back to stock exhaust though. NO jet kit for VM carbs.
 
If you don't mind the extra noise from the airbox you will get WAY more power with the extra airflow without the lid if you figure out the jetting for it. Ray.
 
Almost assuredly you will need to re-jet. Opening the airbox will increase airflow much as individual pods will. That plus your header means you will no doubt have challenges with stock jetting.

DynoJet makes a stage III jet kit for VM carbs. Also you can try www.motorcyclecarbs.com. I got a stage III kit for my VM26's on ebay.
 
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