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Need Help. I have a 2008 Trial Boss. I was cleaning the Carb and I noticed that this carb does not have an Air/Fuel mixture screw. The place were the screw goes has a cap with a small pin prick whole. I called the dealer and they told me that I had to drill the cap off. That the carb comes like that to prevent tampering to the adjustment from the factory. Can anyone confirm that this is correct.

I looked at the microfiche online and it is not even listed. I want to confirm before I drill the cap off because this is a $400+ part if the screw is not under the cap.

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YES, it is true many carbs are like that!!

Just remember its a THIN TIN cover. Do not drill deeply!!!

CW
 

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Welcome to the board!:med:
 

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Drill it with 1/8 inch bit, then use 1/8 inch sheet metal screw, screw it in and pull cap off with pliers or vice grips
 
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