air filter MAZDA 626 1987 Repair Manual

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

TECHNICAL DATA 30
4C. FUEL AND EMISSION CONTROL SYSTEM (FE DOHC)
Item ^Engine^model Unleaded fuel Leaded fuel

Idle speed rpm With test connector grounded 750
± 50
Throttle body

Type Horizotal draft (2-barrel)
Throat diameter mm (in) No.1 46 (1.8) Throat diameter mm (in) No.
2
40 (1.6)

Fuel pump

Type Impeller (in tank)
Output pressure kPa (kg/cm2,
psi)
Main pump: 441—588 (4.5—6.0, 64—85)
Transfer pump: 20—25 (0.20—0.25, 2.8—3.6)
Feeding capacity cc (cu in)/10 seconds Main pump: 220 (13.4) min. Transfer pump: 190 (11.6) min.

Fuel filter

Type Low-pressure side Nylon element Type High-pressure side Paper element

Pressure regulator

Type Diaphragm
Regulating pressure kPa (kg/cm2, psi) 235-275 (2.4 -2.8, 34-40)

Injector

Type High-ohmic
Type
of
drive Voltage
Resistance
ft
12--16
Injection amount cc (cu in)/15 seconds 66-91 (4.03-5.55)

Idle speed control valve

Solenoid resistance Q 6.3--9.9

Fuel tank

Capacity liters (US gal, Imp gal) 60 (15.9, 13.2) 57 (15.0, 12.5): 4-wheel steering vehicle

Air cleaner

Element type Dry

Fuel

Specification Unleaded (95 RON
or
more) i Leaded (95 RON
or
more)

30-21

30 TECHNICAL DATA
4D. FUEL AND EMISSION CONTROL SYSTEM (DIESEL)
Item — Engine model RF-CX RF-N

Idle speed rpm 720 -20
Type VE Type
Fuel injection pump
Plunger diameter mm (in) 9.0 (0.35) 8.0 (0.31) Fuel injection pump
Cam height mm (in) 2.2 (0.08) Fuel injection pump Governor Half
all
speed governor
Fuel injection pump Injection timing ATDC 1
°
TDC
0°

Cam lift
at
injection timing mm (in) 1 (0.04)
Injection
nozzle
Type Throttle Injection
nozzle Number
of
nozzle and diameter
mm (in)
1.0 (0.04)
x 1
Injection
nozzle Injection pressure kPa (kg/cm2,
psi)
13,240 (135, 1,920)
Free play
of
cable
at
injection pump mm (in) 1.0-3.0 (0.04-0.12)
Fuel tank capacity liters (Us gal, Imp gal) 60 (15.9, 13.2)
Fuel filter type Cartridge, paper element
Air cleaner element type Cartridge, paper element
Fast idle speed (A/C ON) rpm 700--750
Cold Engine speed rpm 1,100
at
below 0°C (32°F)
start Advance degree 0°C (32°F) 6 0
device Advance degree 60°C (140°F) 0
°
30—; 22