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It is open naturally. The Coolant warming, + battery voltage, speed up the closing process, there-by the idle speed reduces, as engine warms up. Works very well, actually.
 

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Not a choke. This bike is injected, so no need for a choke. A carburated engine is "dumb", hence the need for a choke. This is strictly a idle speed controller. Controlled only by water temp, and applying battey voltage to the electrical connector (electric heater). Not hooked up to computer at all, contrary to popular opinion. It's actually hooked to the fuel pump circuit. When the fuel pump goes off, so does the electric heater in this air valve. Hope this helps.
 

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Not hooked to the ecu (computer) in any way. It should be open a certain amount by default. The colder it is, the more it's open, and the longer it takes to close. It's a gradual process. Doesn't just "snap" shut. Sounds like you have aother issues. Try reading some of this stuff. http://www.intouchmail.net/~fmattox/limited/manual.html As for the fuel pump, it runs constantly, as long as the engine is running. If you turn the key on, don't start, you'll notice it goes off after cpl. secs. When it goes off, so does the heater on that air valve. Again, the air valve is nothing but an idle speed control, for when the engine is cold.
 

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When I say " not hooked up to ecu", I mean it's not a sender, receiver of any kind. But it's heater is turned on or off by ecu, as well as fuel pump, via a relay. So the ecu only controls the fuel pump/heater relay.
 
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