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post #5 of (permalink) Old 03-31-2019, 08:57 AM
chuck_VTX F
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Join Date: Aug 2007
Location: RGV. Texas, Former N.E. Ohio
Posts: 8,841
Originally Posted by Bilge View Post
On a unrelated matter, what is this WAX Valve I read about......

Is it associated with the automatic choke on our 1800's.....??? Just curious......

Does it expands or contracts according to temp of engine and adjusts the startup RPM's ??

I am correct here ?

YES. it IS the coolant temperature controlled Fast Idle... NO CHOKE..

it does have a few issues over time.. not real common. YET.

it can stick... maybe in cold mode or hot mode...
moisture oxidizes its body and then sticks.

mine stuck about 4 years ago... in fast idle mode... a little cleaning and done.

Good digging Sir...

2005 VTX1800 F, type II, Silver Tribal, 90,000 Miles, Purchased Feb, 2005.
MTC clutch & springs.. K&N Air Filter. Garmin 2597 GPS.

Last edited by chuck_VTX F; 03-31-2019 at 08:59 AM.
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