needle change

My 2001 426 has that cough that everyone talks about. I have not adjusted any thing yet because it is winter time. Has anyone ever used a different needle? The elevation here ranges from 2000 to 3500. Soon as it gets weather fit I am going to start testing things. I was just wondering if anyone had any sugestions.

since it is going to rain here in houston for the next week I am going to order some jets to jet my carb right! I have a 01' 426 w/ white bros high boy pipe! What jets and needles are you guys running on your 426's I am at sea level ... i heard the 45-48 pilot and the 165-168 main work what do i set my fuel scew to, etc! Any suggestions would be highly appreciated!



I get my kicks on a 2001' YZ426!

Friendswood, TX

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