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2006 TRX 450 air box mods vs jetting

3030 Views 3 Replies 3 Participants Last post by  BIGBEE
Recently opened up the stock air box and developed a serious hesitation. Cover up the extra holes and the hesitation goes away. Problem must be in the jetting??????? Any ideas as to how much larger the jets must go? Any other solutions?
1 - 1 of 4 Posts
Your only other option is putting the lid back to full. I would say probably up 2 sizes on your jets. Maybe 1
1 - 1 of 4 Posts
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