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98yz

Needing some Gold Valve Help

5 posts in this topic

My younger bro and I are learning the in's and outs of Gold Valves on his 2 smoke 2000 YZ 250. We have the fronts feeling great, but I am running into some questions on the rear.

First is the jet that RT puts in the kit, the details sheet lists N/A beside the Bleed Jet. Does this mean that you insert it undrilled or leave it out totally?

Second is what are you guys (MX Tuner/Dave) finding that the dampening difference is between 2 shims of equal dia. different thicknesses. For instance if you were to replace a .1mm x 19mm shim with a .15mm x 19mm shim, what degree of dampening difference have you encountered.

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Also help enlighten me on how the difference in shim diameter affects the dampening.

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The smaller diameter shims don't bend as easily as the larger shims. Looking closely at the shim charts should give you an indication as to how a thinner shim acts compared to a thicker one.

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