ISO 2023 YZ250F Map for 270 bore kit (stock ECU)

Titanium
Posts
468
Joined
12/5/2018
Location
WI US

So I'm looking for a proven map for the factory ECU on the Power Tuner App. Installed mods include, 270 bore kit, full FMF 4.1 exhaust, TA Power Flow kit and running VP U4.4 fuel. Twisted Development is remapping my Vortex ECU for these mods but I'd like to ride it while I'm waiting on re-map. Thanks guys 

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TDC
Posts
388
Joined
8/4/2023
Location
HTown, TX US
12/14/2023 9:22pm

The tuner is a key for better results than the old big-bore results. This tuner app keeps things from going stupid. I'd think a Keefer free rev would be a good map to tweak. 

Lynch
Posts
728
Joined
3/14/2015
Location
SE
12/15/2023 10:05am

Screenshot 20231215 190241 PowerTuner.jpg?VersionId=zmrEfIVHgILSIvF 

1
PTshox
Posts
1588
Joined
10/1/2011
Location
Highland Village, TX US
12/22/2023 7:22pm

I have a 2020 YZ250FX with 270 kit and hot cams... Keefer free feeling map is the best one I've tried. And I've tried a lot of them.

1

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