Carbureted engine
Check idle speed, see p. 7.4/8.4.
Switch off the ignition.
Remove air filter.
Make sure there are no kinks in the throttle cable. Otherwise, replace.
Slightly moving the throttle lever, check the play of the throttle cable. Required value: 1-2 mm.
If there is too little play, loosen the adjusting nut until the throttle lever moves freely.
If there is too much play, loosen the locknut first.
Tighten the adjusting nut until the throttle lever starts to move. Then turn the adjusting nut one turn back.
Tighten locknut.
Have an assistant depress the gas pedal and check that the throttle is fully open.
Install the air filter.
Engine with fuel injection system
Check idle speed, see p. 7.4/8.4.
Switch off the ignition.
Remove air filter.
Make sure there are no kinks in the throttle cable. Otherwise, replace.
Slightly moving the throttle lever, check the play of the throttle cable. Required value: 1-2 mm; with automatic transmission: 3-5 mm.
In case of deviation from the required value, turn on the ignition (do not start the engine). Wait about 15 seconds until the idle speed setting motor returns to its original position.
Loosen the set screws at the manifold and move the plate so that the play of the throttle cable corresponds to the required value.
Tighten set screws.
Check if the throttle lever stop touches the idle switch.
Have an assistant depress the gas pedal and check that the throttle is fully open.