Carbureted Models
- Engine must be at normal operating temperature. Adjust idle speed under the following conditions: air cleaner installed, choke fully open, all accessories off, electric cooling fan off (if equipped), transmission in Neutral, and all emission system vacuum lines connected.
- Connect tachometer to negative terminal of coil, engine check connector, or remove rubber cap and connect probe to service connector on distributor (if equipped). See Figure. Set idle speed to specifications using adjusting screw. See Fig 1.
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