Fast Idle

With engine off, connect tachometer. Disconnect and plug inside vacuum hose of the fast idle unloader. Engage fast idle cam by opening and closing throttle fully while holding choke valve closed. Start engine.
If fast idle speed is not to specification, reset fast idle by turning fast idle adjusting screw, located behind fast idle unloader, on carburetor. Reconnect the vacuum hose and disconnect tachometer.

FAST IDLE SPEED SPECIFICATIONS