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Rubicon 500 removed airbox lid, next step?

3026 Views 10 Replies 4 Participants Last post by  markus
Need some help guys :)
has removed lid on my rubicon, what is the next step?
anyway it is a awesome sound now:) but it doesn't run as good as it should, do i need to rejet?
1 - 3 of 11 Posts
Yes you need to rejet, don't run your quad until you do. You just increased your airflow by about 300%, you need to add a lot more fuel to the ratio or you WILL burn your engine up.
Maybe not 300 but look at the hole the air came through before and look at it now...
I have had a shop here in Denver jet my quad before. What you are talking about is for DOT approved vehicles. Quads do not have an O2 sensor so we have to rejet.
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