stop start MAZDA 626 1987 Owner's Guide

30 TECHNICAL DATA
4A. FUEL AND EMISSION CONTROL SYSTEM (CARBURETOR)
F6 and F8 Engine
Engine F6 F8
Spec. General Singapore General
ECE, Hong
Kong, &
Singapore

Idle speed rpm MTX 800
+ 50
0 Idle speed rpm ATX (in
N
range)
—
950 +58 900
+ 50
0
CO concentration °/o 2.0
± 0.5
Carburetor

Type Down draft two barrel
Throat diameter mm (in) Primary 30 (1.18) Throat diameter mm (in) Secondary 34 (1.34)
Venturi diameter mm (in) Primary 23.5 (0.93) Venturi diameter mm (in) Secondary 29.0 (1.14)
Main nozzle mm (in) Primary 2.6 (0.10) Main nozzle mm (in) Secondary 2.8 (0.11)
Primary MTX 1.10 1.09 (0.0429) 1.14 (0.045)
Main
jet
mm (in) Primary ATX (0.0433) 1.08 (0.0425) 1.12 (0.044)
Secondary 1.50 (0.059)
Primary MTX 0.60 0.60 (0.024) 0.55 (0.022)
Main
air
bleed mm (in) Primary ATX (0.024) 0.80 (0.031) 0.60 (0.024)
Secondary 0.50 (0.020)
Slow
jet
mm (in) Primary 0.48 (0.019) 0.46 (0.018) Slow
jet
mm (in) Secondary 1.00 (0.039) 1.10 (0.043)
Primary No.
1
0.80 (0.031)
Slow
air
bleed Primary No.
2
1.90 (0.075)
mm (in) Secondary No.
1
1.00 (0.039) 0.80 (0.031) Secondary No.
2
0.50 (0.020)
Power
jet
mm (in) 0.50 (0.020)
Fast idle adjustment
mm (in)
Clearance between primary throttle valve and bore 1.40-1.76(0.055-0.069) MTX: 0.48-0.64 (0.019-0 025) ATX: 0.56-0.72 (0.022-0.028)
Max. fuel flow
"L"
44 (17.3)
Float level adjustment Clearance between float and
air
horn without gasket
mm (in) Fuel stop
"H •
12.5 (0.49)
Clearance between float and
air
horn/without gasket; float lowered
by
own weight
Choke breaker diaphragm Start 180-240 (7.1-9.5) 100—160 (3.9-6.3)
mmHg
(in Hg)
Stop 290—350 (11.4-13.8) 220-280 (8.7-11.0)
Choke opener Start
—
35-65 (1.4-2.6)
—
35-65 (1.4-2.6)
mmHg
(in Hg)
Stop
—
130-190 (5.1-7.5)
—
130-190
(5,1-7.5)

Accelerator linkage

Free plav
of
cable
at
carburetor mm (in) 1-3 (0.039—0.118)

Fuel tank

Capacity Liters (US gal, Imp gal) 60 (15.9, 13.2)

Fuel pump

Type Mechanical pump
Delivery pressure kPa (kg/cm2,
psi)
20-26 (0.20-0.27, 2.8-3.8)
Feedina capacity cc/min (cu in/min) More than 860 (52.5)
at
idle

Fuel filter

Type Paper element with magnet

Air cleaner

Fresh-Hot switching Manual Diaphragm type
Element
tvDe
Oil permeated paper
Fuel specification Leaded regular

30-18

TECHNICAL DATA 30
FE Engine
Engine 8 Valve 12 Valve 8 Valve
Spec. General Middle
East
ECE,
Hong Kong, &
Singapore
Unleaded
Fuel
(West Germany)

Idle speed rpm MTX 800
+5§
850 Idle speed rpm ATX 900 +5S
(ir
N range)
CO concentration
%
2.0
± 0,5
Carburetor

Type Down draft, two barrel
Throat diameter mm (in) Primary 30 (1.18) Throat diameter mm (in) Secondary 34 (1.34)
Venturi diameter mm (in) Primary 23.5 (0.93) Venturi diameter mm (in) Secondary 29.0 (1.14)
Main nozzle mm (in) Primary 2.6 (0.10) Main nozzle mm (in) Secondary 2.8 (0.11)
Primary MTX 1.14 (0.045) 1.09 (0.0429) 1.14 (0.045) 1.09 (0.0429) Main
jet
mm (in) Primary ATX 1.12 (0.044) 1.08 (0.0425) 1.12 (0.044) 1.09 (0.0429)
Secondary 1.55 (0.061) 1.50 (0.059) 1.55 (0.061) 1.50 (0.059)
Primary MTX 0.50 (0.020) 0.60 (0.024) 0.50 (0.020) 0.50 (0.020) Main
air
bleed mm (in) Primary ATX 0.55 (0.022) 0.80 (0.031) 0.55 (0.022) 0.50 (0.020)
Secondary 0.50 (0.020)
Primary 0.46 (0.018)
Slow jet mm (in) Secondary MTX 1.10 (0.043) 1.00 (0.039) 1.10 (0.043) 0.90 (0.035) Secondary ATX 1.10 (0.043) 1.00 (0.039) 1.10 (0.043) 1.00 (0.031)
Primary No.
1
0.80 (0.031)
Slow
air
bleed Primary No.
2
1.90 (0.075)
mm (in) Secondary No.
1
0.80 (0.031) 1.00 (0.039) 0.80 (0.031) 1.00 (0.039) Secondary No.
2
0.50 (0.020)
Power jet mm (in) MTX 0.50 (0.020) 0.50 (0.020) Power jet mm (in) ATX 0.50 (0.020) 0.40 (0.016)
Fast idle adjustment mm (in) MTX 0.48-0.64 (0.019-0.025) 1 40—1
76

0.48-0.64 (0.019-0.025) 1
40
1
76
Clearance between primary throttle valve and bore ATX 0.56-0.72
(0.022-0.028) (0.055-0.069) 0.56-0.72 (0.022-0.028) (0.055-0.069)
Max. fuel flow
"L"
44 (17.3)
Float level adjustment Clearance between float and
air
horn without aasket
mm (in) Fuel stop
"H •
12.5 (0.49)
Clearance between float and
air
horn without aasket float lowered
bv
own weiaht
Choke breaker diaphragm Start
100-160 (3,9-6.3) 180-240 (7.1-94) 100-160 (39-6.3) 180-240 (7.1-9,4)

mmHg
(in Hg)
Stop
220-280 (8.7-11,0) 290-350 (11,4-13.8) 220-280 (8.7-11.0) 290-350 (11.4-13.8)

Choke opener mmHg (in
Hg)
Start
—
80-120 (3.1-8.7) 30-70 (1.2-2.8)
—
Choke opener mmHg (in
Hg)
Stop
—
220-280 (87-11.0) 130-190 (5.1-7.5)
—
Accelerator llnkaae

Free play
of
cable
at
carburetor mm (in) 1-3 (0.039-0.118)

Fuel tank

Capacity Liters (US gal, Imp gal) 60 (15.9, 13.2)

Fuel pump

TvDe
Mechanical pump
Delivery pressure kPa (kg/cm2,
psi)
20-26 (0.20-0.27, 2.8-3.8)
20-29 (0.20-030, 2.8-4.3) 20-26
(020-0.27, 28-38)

Feeding capacity cc/min (cu in/min) More than 860 (52.5)
at
idle

Fuel filter

TvDe
Paoer element with maanet

Air cleaner

Fresh-Hot switchina Diaohraam Manual Diaohraam Bimetal
Element tvoe Oil oermeated oaoer
Fuel specification Leaded super Unleaded super Leaded regular Leaded super Unleaded super Unleaded regular

30-19