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Jetting Question

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My 2004 yz 450 carb settings are: 168 main,45 pilot, 4th clip needle and two turns out fuel screw. This is for an elevation of approx 1000 to 2000 feet. If i go up to 5000 feet same temp conditions, what can i expect to change??? Thanks matt :thumbsup:

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Turn the fuel screw inwards 1/4-1/2 turns and lower the main jet to a #165. The needle clip position (#3) would be the next change to consider, if needed.

James

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