Rocky Mountain ATV/MC Keefer Tested

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Show #505 - 2026 KTM 450 SX-F Chassis/Suspension Talk with Mark Johnson

Show #505 - 2026 KTM 450 SX-F Chassis/Suspension Talk with Mark Johnson7. Sept.1 Std. 25 Min.

Keefer gets Mark Johnson from REP on the phone to talk about suspension as well as chassis tips for the KTM 450 SX-F. Topics like spring conversion kits, AER set ups, chassis lengths, torque settings, chain slack and more! If you're an orange brigade rider, you will love this show.

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00:38 Intro & sponsor rundown

10:21 2026 KTM 450 SX-F project overview

15:12 Getting Mark from REP on the line

16:51 The REP app

19:38 AER fork feel: East Coast vs West Coast

26:27 AER pressure checks & temperature swings

29:29 Nitrogen vs helium fork fills

32:59 REP linkage systems explained

36:00 Husky height vs KTM height confusion

38:10 Factory Edition cone valve first impressions