idle speed = 650 rpm. float (full open)to bowl floor clearance =1 mm. float (full closed) to bowl top = 8.5 mm. idle mix is adjusted with a vacuum guage to highest steady vaccum/highest steady rpm. fast idle opening angle = with cam on first step, butterfly clears bore by 1.4 mm. choke valve clearance = with fast idle cam on second step, butterfly clears bore by .55 mm. choke unloader - primary butterfly full open, choke butterfly clears bore by 2.25 mm. see discussion page for more on this.
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