Model F3A21

Ensure throttle lever is in curb idle position. Engine must be at normal operating temperature.
Raise cover "B" of throttle cable upward to expose nipple. See Fig 1 . Loosen lower cable bracket mounting bolt. Move lower cable bracket until distance between nipple and top of cover "A" on throttle cable is .02-.06" (.5-1.5 mm).
Tighten lower cable bracket mounting bolt to 108-126 INCH lbs. (12-14 N.m). With throttle lever in wide open throttle position, pull cable upward to ensure some cable free play exists.

Fig 1: Adjusting Throttle Cable (Model F3A21)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.