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Mikuni TM33/34 pumper carb help

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Hello everyone,


I have a KLX351 with a Mikuni TM33/34 pumper carb that I need to function at higher altitudes. I like in Colorado and regularly ride at 7000 ft. I would like to ride up some mountains that are above 12,000 ft. 


Is there a jetting setting that can do it all? 5000-12,000 or will I need to optimize the settings for a narrower range?  Are jetting setting only good for about +/- 2000 ft elevation change?


Thanks for your help,

Edited by KLX_351

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