Auxiliary Air Valve System
NOTE:
Tachometer must be installed when checking auxiliary air valve system. Tachometer must be connected to proper terminals. See IDLE SPEED & MIXTURE in ADJUSTMENTS
article in the ENGINE PERFORMANCE Section for tachometer connections.
CAUTION:
Some tachometers may not be compatible with ignition system. Consult tachometer manufacturer before connecting tachometer to system. To avoid possible damage to ignitor and/or coil, DO NOT allow tachometer terminal to become grounded.