Carburetor - Fast Idle (Cont'd) / Vacuum Break

EF & EC-167prose procedure

Clearance "A" specs differ by engine (GA13DS/GA14DS vs GA16DS), transmission (M/T vs A/T) and catalyzer fitment (* = models with catalyzer).

Fast Idle (Automatic choke model) (Cont'd)

3
If out of specification, remove carburetor and make fast idle adjustments as follows: 1) Place fast idle arm on 2nd step of fast idle cam, in the same manner as in step 1. above. 2) Adjust clearance "A" between primary throttle valve and inner carburetor wall by turning fast idle adjusting screw.
Clearance "A":
GA13DS & GA14DS: M/T 0.62 ± 0.07 mm (0.0244 ± 0.0028 in), 0.59 ± 0.07 mm (0.0232 ± 0.0028 in)*; A/T 0.79 ± 0.07 mm (0.0311 ± 0.0028 in), 0.75 ± 0.07 mm (0.0295 ± 0.0028 in)*
GA16DS: M/T 0.59 ± 0.07 mm (0.0232 ± 0.0028 in); A/T 0.75 ± 0.07 mm (0.0295 ± 0.0028 in)
* For models with catalyzer
SEF731H
4
After adjusting clearance "A", install carburetor on engine and check engine speed.

Specification	Value
Clearance "A" - GA13DS & GA14DS M/T0.0244 ± 0.0028 in	0.62 ± 0.07mm
Clearance "A" - GA13DS & GA14DS M/T (with catalyzer)0.0232 ± 0.0028 in	0.59 ± 0.07mm
Clearance "A" - GA13DS & GA14DS A/T0.0311 ± 0.0028 in	0.79 ± 0.07mm
Clearance "A" - GA13DS & GA14DS A/T (with catalyzer)0.0295 ± 0.0028 in	0.75 ± 0.07mm
Clearance "A" - GA16DS M/T0.0232 ± 0.0028 in	0.59 ± 0.07mm
Clearance "A" - GA16DS A/T0.0295 ± 0.0028 in	0.75 ± 0.07mm

Clearance "A" - GA13DS & GA14DS M/T0.0244 ± 0.0028 in

0.62 ± 0.07mm

Clearance "A" - GA13DS & GA14DS M/T (with catalyzer)0.0232 ± 0.0028 in

0.59 ± 0.07mm

Clearance "A" - GA13DS & GA14DS A/T0.0311 ± 0.0028 in

0.79 ± 0.07mm

Clearance "A" - GA13DS & GA14DS A/T (with catalyzer)0.0295 ± 0.0028 in

0.75 ± 0.07mm

Clearance "A" - GA16DS M/T0.0232 ± 0.0028 in

0.59 ± 0.07mm

Clearance "A" - GA16DS A/T0.0295 ± 0.0028 in

0.75 ± 0.07mm

IMPORTANT

Following installation, do not attempt further adjustment of clearance "A" even if fast idle speed is incorrect.

1
When engine is cold, close choke valve completely.
2
Apply vacuum to vacuum break diaphragm with a handy vacuum pump.
Approximately -53.3 kPa (-533 mbar, -400 mmHg, -15.75 inHg)
SEF732H

Specification	Value
Vacuum applied to vacuum break diaphragm-533 mbar, -400 mmHg, -15.75 inHg	Approximately -53.3kPa

Vacuum applied to vacuum break diaphragm-533 mbar, -400 mmHg, -15.75 inHg

Approximately -53.3kPa