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Jonah Davis Added a reply to 17 YZ250F Aftermarket exhaust maps

10/17/2022 5:44pm
Map 4 or "Base tune - GYTR by FMF Aftermarket Exhaust is the "Hot Tune" referred to in some other's posts. That is the best all around map I have used with my full FMF system (powerbomb and 4.1). The "Hit like a mack-truck" tunes (8 and 9) are based of the "Hot tune" were I leaned out fuel across...

mxrider116 Liked a reply to forum topic 17 YZ250F Aftermarket exhaust maps

10/17/2022 5:33pm
Hey Jonah, the " Hit like a mac truck" which do you prefer? I was trying to get Keefer map but he doesnt have any for that year.
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Jonah Davis Added a reply to 2017 YZ250F Map Database

6/4/2021 7:42pm
I have exhausted all online resources for the GYTR PowerTuner (2014-2018) and I have compiled the holy grail of databases including graphical depiction and analysis. I have even created a few maps of my own, including my favorite the "Hit like a Mack truck" tune. Code is shown.

Jonah Davis Added a reply to 2017 YZ250F Map Database

6/4/2021 7:39pm
A.) Intermediate YZ250F 2018 B.) 93 0r 99 C.) FMF Megabomb and 4.1 aluminum silencer D.) Stock E.) One tooth down on rear I have created this data base in order to graphically analyze and create my own maps, everything that I have found on the internet is included. All pictures are generated from my own personal code shown below...