YZ 450F Rear Shock spring rate?

Greetings, what is the stock (orange spring, titanium) spring rate on the 07 yz 450 f? Thanks

On page 7-18 of your manual, it lists the stadard spring as being a 5.5 kg/mm spring, but the stock color code os pink, not orange, and there is no orange listed. The OEM Ti springs are painted silver, and the color code is a spot on the end of the spring.

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