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I'm sure others have asked already, but I'm struggling to find them. I have a stock 2005 BF 750, living in Wisconsin and going to Idaho springs, Co. area to ride in a few weeks. Last time I went out there was 6 years ago. I switched the jets on my quad then and it ran great. I now have forgotten what I did and want to repeat it. I'm looking for help in prepping my BF for high elevation riding. Any tips from jets to fuel screw adjustments or anything else would be great.
 

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Well, it comes with jets for sea level which are 152 front and 158 rear. If you will be spending most of your time between that 8-12K feet range, then you need 142 front and 148 rear. Leave the pilot alone but if the plugs are already out of the A/Fs, then close them about 1/4 turn. That should be all you need. And run a good filter. I used to get all my jets and shims from PJmotorsports.com.

 
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