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Dirt Bike Brands - Other
How Soon Should Power Valves Open?
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[QUOTE="CRguyStan, post: 1000853, member: 27016"] The valve is opened by an actuator that is driven via centrifigal force. Thus it will open all at once with normally a spring return that will close it quickly as well. I wouldn't want to guess when it will open, this varies bike-bike depending on port timing in the design process and such, but it will be pretty high, that is why is is hard to "stay on the pipe" because this entails keeping the bike revved high most o the time (assuming mx type riding). Stan [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
How Soon Should Power Valves Open?
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