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Guest juarch328

White Bros E-TFI pro

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Guest juarch328

Just purchased an 07 yamaha raptor 700 that has a White Bros E-TFI pro. Did not come with a manual. The atv runs choppy in higher gears and boggs down. Trying to find a chart or tips of how to tune the tfi. Cannot find anything by google. Thanks in advance if you can help

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Your best bet is to contact White Bros directly, they should be able to hook you up with the tuning guide that it came with. From what you are describing, it sounds like you are running a bit rich on the top end. The first thing I would do is check the air cleaner. As for the fuel controller, the first three modes should be for low, mid and high adjustment. Each one indicated by a different color led blinking. would start by dialing the high range setting back a little, see if it helps. You may need to back the mid range down a little too. If that makes things worse, then try adjusting them the other way. Just remember to make one change at a time, so you can keep track of what change did what. There will usually be three more settings after the standard low, mid and high, they should have blinking led lights at each end of the led strip. I would not mess too much with those until you know exactly which one they are.

White Bros has been taken over by a company called Vance&Hines, here is a link to the site should you wish to contact them.

Vance & Hines: Performance Exhaust Systems

Edited by DirtDemon

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