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Rocky Mountain ATV/MC Keefer Tested

Show #444 - 2025 KTM 300 XC Talk W/Jamie Ellis

Rocky Mountain ATV/MC Keefer Tested

Kris Keefer

Professional, Rocky Mountain, Motocross, Supercross, Sports %26 Recreation, Pulpmx, Keefer, Racerx

4.9644 Ratings

🗓️ 25 August 2025

⏱️ 49 minutes

🧾️ Download transcript

Summary

Got a chance to go test a 2025 KTM 300 XC up in the hills of the high desert so I decided to make a show about it since I liked it so much. After that decision, I decided to grab Jamie Ellis from Twisted Development to talk about some of his magical ECU mapping he does to the stock KTM 300XC. Get the scoop on KTM's best off-road two stroke right here!

Transcript

Click on a timestamp to play from that location

0:00.0

Apopa MX Network Production.

0:11.0

This is the Rocky Mountain ATTV MC Kiefer tested podcast.

0:16.0

The podcast you come to for the straight insight on all things motocentric.

0:21.0

Hard parts, bikes, gear, suspension, motor mods, and more.

0:25.6

It's Kiefer tested.

0:27.4

Here he is, Chris Kiefer.

0:39.1

Thank you so much for joining me.

0:40.1

I am Chris Kiefer.

0:48.3

Welcome to the Rocky Mountain ATVMC.com Kiefer tested podcast, presented by FXR Racing, and of course, REP suspension.

0:51.2

How in the hell you guys doing out there this week?

0:52.3

Thank you for joining me.

0:54.9

We're going to do something a little bit different this week.

0:59.3

We're going to talk about the 2025 KTM 300XC.

1:01.9

Just had a chance to ride one.

1:07.9

Went out on the local hills up here in Asperia and got to break it all down.

1:12.7

And, of course, there were some modifications that I rode with.

1:13.8

And I wanted to talk to you.

1:20.6

And I wanted to bring on Jamie from Twisted Development here today, too, to talk about ECU remapped.

1:27.8

The remapping that he does over at Twisset Development, and he gets in that stock box and can help you with a little bit of power make that thing a little bit cleaner so we're going to talk to him about that and what he does

1:32.4

and the steps he takes to do that because I did notice a few things when I was up riding this

1:38.2

thing so we're going to break it all down for you right here it's probably not going to be a long

1:41.5

podcast but you know what we do ride off road from time to time and we love it even though it's 175 degrees here. It's probably not going to be a long podcast, but you know what? We do ride off road from

...

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