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[QUOTE="Jeremy Wilkey, post: 523748, member: 17220"] I'd venture more like 89...... The Cylinder Valve has been greatly conjectured over. I think the function is somewhat of a "blow-off" as the design of the valve creates rapid valve area growth. After the shims begin to deflect.. The early leaking CV's were somewhat confused with just "soft" CV's of the late 90's. An example is the 03 KX, it has a very soft CV and many think its leaking.. Well yes it is leaking, but it’s a designed leak.. However the softer the valve, the greater the oil flow, the more likely they can be corrupted with foreign matter.. So it’s a frog and serpent relationship. According to Ross Maeda, the CV is a valve designed to purge air from the top of the cylinder under fork pressure. This makes the action more consistent, more like the patented Twin Chamber of Showa... One last thing that is important to consider, the gas can escape with little resistance with a very small orifice, but when fluid tries to escape it is meet with far greater resistance, and that is the best part about the CV.. Interestingly Tuners that install Oil locks on the top of 32mm Cart. Forks have difficulties bleeding the fork, because of the large amounts of air that can be contained in its cavernous top. The interesting part of the deal is that KYB states no official design protocol for the CV... Best Regards, Jer [/QUOTE]
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