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1985 B21ft Base Idle Setting 200

When I try ti set base idle (deactivate CIS) and set idle to 800 RPM's it's O.K. untill I take it for a ride. As soon as I let off the gas peddle the idle stays around 1000 to 1150rpms.
So I was told to set a B21ft you need to set the throttle stop set screw so the throttle plate is closed then bring throttle plate 1/4 to 1/2 a turn so it doesn't bind.
When I do this and rev the engine the idle drops almost to stall then it goes to 900rpms. It has stalled a couple of times.
What could cause this to happen?






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New 1985 B21ft Base Idle Setting [200]
posted by  dobber13 subscriber  on Mon Aug 22 19:23 CST 2016 >


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