Show #436 - 2025 Kawasaki KX450SR Race Test With Gary Sutherlin

Rocky Mountain ATV/MC Keefer Tested

Kris Keefer

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

4.9 • 644 Ratings

🗓️ 7 July 2025

⏱️ 76 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

We gave Gary Sutherlin our 2025 KX450SR to race the vet weekend up at Mammoth Mountain MX so we ring him up to go over the details of the build as well as the race. What did Gary do to the bike? How was the durability of the KX450SR? Did it have enough power up in elevation? Hear it all on this show!

Transcript

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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.
0:25.7	It's Keeper tested.
0:27.5	Here he is, Chris Kiefer.
0:33.7	Howdy, everybody.
0:38.9	Welcome in to the Rocky Mountain ATVMC.com.
0:41.5	Kiefer tested podcast presented by FXR Racing and REP suspension.
0:47.1	How in the hell are you guys doing out there today?
0:48.8	Hopefully well.
0:49.8	Hopefully life is treating you well.
0:51.4	And thank you for joining us.
0:53.2	And thank you for download the show and subscribing.
0:55.3	We appreciate you very much.
0:57.0	And we are here to talk about a 2025 KX-450 SR that we built, that we shaped, that we formed for the man beast himself, Gary Sutherland, to go race the Mammoth Mountain Vet weekend.
1:11.6	So we're going to talk to Gary, break the whole bike down.
1:16.2	We're going to go over what he did, which was not a lot.
1:19.9	Talk about some chassis measurements and some things that he did to make it more stable.
1:24.9	Clamps, mounts, things that we wanted to change but didn't change.
1:30.2	Suspension changes, spring rates, how the race was, how the bike was, who it's for, and where it fits in for you.
1:38.4	So all of this and more right now on this show.
	...

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