Valving and shim stacks are probably the least understood topic in the dirt bike community, not only because it's a complex and subjective topic by itself, but because there's little information available... Not anymore!
Want to learn how to take full advantage of your suspensions adjustments? Check out our online courses:
https://stepstopodium.com/courses/front-forks-course/
Still have questions regarding this topic? Check out our personalised technical sessions:
https://www.stepstopodium.com/technical-sessions
If you can, take a look at these Offroad Engineered episodes first:
Ep.1 - https://youtu.be/mgR4PJwEHMg
Ep.2 - https://youtu.be/AzI2IEns3WY
Ep.3 - https://youtu.be/nfjehrb0QFE
Ep.4 - https://youtu.be/BiclqTlRWFg
0:00 Intro
0:27 The birth of shim stacks & valves
1:10 Anatomy of shim stack valves
2:05 How tapered single-stage shim stacks work
3:00 How tapered double-stage shim stacks work
4:08 Changing the ports
5:04 Changing the shims
7:00 How it affects the damping curve
10:32 Tuning experience
11:12 End
Technical Touch is the official importer of KYB detailed Motorcycle Genuine parts and oils.
Get to know more at:
https://www.technical-touch.com/kyb-factory-kit-suspension-info
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Music by:
Joakim Karud - https://www.youtube.com/c/JoakimKarud
Video credits:
Red Bull Motorsports: https://www.youtube.com/c/RedBullMotorsports
Monster Energy Supercross: https://www.youtube.com/c/SupercrossLive
Cheers!
#Tuning #ShimStacks #Valving
