used car Posted December 28, 2013 Share Posted December 28, 2013 Need information on a hitachi 1600 carburetor.Does it have a fast idle cam.What makes it idle faster till it warms up.Mine does not work.What could be wrong? Thanks Link to comment Share on other sites More sharing options...
skishop69 Posted December 28, 2013 Share Posted December 28, 2013 Yes it does. It is attached to the choke flap shaft. If the choke is setting properly when cold, then someone has backed out the high idle screw on the cam. It's on the passenger side of the carb. If you move the choke flap by hand and look at that side, you'll see the cam and locate the correct screw as the regular idle screw is on that side too. Link to comment Share on other sites More sharing options...
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