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  A dyno series consists of two or more dyno tests showing how incremental shim changes affect the damping curve.
  • For example, we will use the shock compression valving from a stock 2008 YZ 250.
    • (This will be Stack 2).
  shock comp shims
  10 - 40.2
   
  34.12
  29.12
   
  38.2
  36.2
  34.2
  32.2
  30.2
  28.2
  26.2
  24.2
  22.2
  21.2 b
   
  41 x 4.5 top out
   
  • For comparison, we will remove 2 shims from the high speed stack.  The dyno test will confirm exactly how this shim change effects the damping curve.
    • (This will be Stack 1)
  shock comp shims
  10 - 40.2
   
  34.12
  29.12
   
  38.2
  36.2
  34.2
  32.2
  30.2
  28.2
  26.2
  24.2
  22.2
  21.2 b
   
  41 x 4.5 top out
   
  • If you have shim swapping experience, you might venture a guess as to how this shim change affects the damping curve.
  • Take a guess, then proceed to [dyno series tutorial pg 2] to see the actual change.
 
   
 
 
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  valving info
valving 001
valving 002
valving 003
valving 004
valving 005
 
  complex stacks
complex shim stacks
 
  more valving info
valving 101
valving 102
valving 103
valving 104
valving 105
valving 106
valving 107
valving 108
valving 109