1987 MAZDA 626 height

30 TECHNICAL DATA
—— Engine model Item RF-CX RF-N

0..t cy sui.aro
mm
(in) 1.6 (0.063)/2° max.
Setting load/height
N
(kg. Ib)/mm (in) 275 (28.0, 62)/39.0 (1.535)

Tappet

Tappet outer diameter
mm
(in) 34.95-34.97 (1.3764-1.3768)
Tappet hole diameter
mm
(in) 34.99-35.01 (1.3776-1.3787)
Tappet
to
tappet hole
,. ,
clearance
mm (in)

Standard 0.02-0.06 (0.0008-0.0024) Tappet
to
tappet hole
,. ,
clearance
mm (in)
Maximum 0.10 (0.004)

Camshaft and camshaft caps

Cam lobe height
mm (in)

IN Standard 42.521 (1.6741) 44.306 (1.7443)
Cam lobe height
mm (in)

IN Minimum 42.11 (1.658) 43.90 (1.728) Cam lobe height
mm (in)

EX Standard 45.300 (1.7835) Cam lobe height
mm (in)

EX Minimum 44.90 (1.768)
Journal diameter
mm (in)
Standard 31.959-31.975 (1.2582-1.2589) Journal diameter
mm (in)
Out-of-round 0.05 (0.0020) max.
Camshaft bearing
oil
clearance
mm (in)
Standard 0.025—0.066 (0.0010-0.0026) Camshaft bearing
oil
clearance
mm (in) Maximum 0.10 (0.004)
Camshaft run-out (deflection)
mm
(in) 0.10 (0.004) max.
Camshaft end play
mm (in)
Standard 0.02-0.15 (0.0008-0.0059) Camshaft end play
mm (in)
Maximum 0.20 (0.008)

Cylinder block

Height
mm (in)
301.5 (11.87)
Distortion
mm (in)
0.10 (0.004) max.
Cylinder bore diameter
mm (in)
Standard size 86.000-86.022 (3.3858-3.3867) Cylinder bore diameter
mm (in) 0.25 (0.010) oversize 86.250-86.272 (3.3957-3.3965) Cylinder bore diameter
mm (in) 0.50 (0.020) oversize 86.500-86.522 (3.4055-3.4064)
Cylinder bore taper and out-of-round
mm
(in) 0.022 (0.0009) max.

Piston

Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in)
Standard size 85.957—85.983 (3.3841—3.3852) Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in)
0.25 (0.010) oversize 86.207-86.233 (3.3940-3.3950)
Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in) 0.50 (0.020) oversize 86.457-86.483 (3.4038-3.4048)
Piston and cylinder clearance
mm
(in) Standard 0.032-0.050 (0.0013-0.0020) Piston and cylinder clearance
mm
(in) Maximum 0.15 (0.0059)

Piston ring

Thickness
mm
(in)
TOD
1.97-1.99 (0.0776-0.0783) Thickness
mm
(in) Second 1.97-1.99 (0.0776—0.0783)
End gap (measured
in
the cylinder)
mm (in)

TOD
0.20-0.35 (0.008-0.014) 0.20-0.40 (0.008-0.016)
End gap (measured
in
the cylinder)
mm (in)
Second 0.20-0.35 (0.008-0.014) 0.20-0.40 (0.008-0.016) End gap (measured
in
the cylinder)
mm (in) Oil (rail) 0.20-0.40 (0.008-0.016)
End gap (measured
in
the cylinder)
mm (in)
Maximum 1.0 (0.039)
Ring groove width
in
piston
mm
(in)

TOD
2.17-2.19 (0.0854-0.0862) 2.04-2.06 (0.0803-0.0811)
Ring groove width
in
piston
mm
(in) Second 2.03-2.05 (0.0799—0.0807) Ring groove width
in
piston
mm
(in)
Oil 4.02-4.04 (0.1583-0.1591)
Clearance
of
piston ring
to
ring groove
mm (in)

TOD
0.18-0.22 (0.0071-0.0087) 0.05—0.09 (0.0020-0.0035) Clearance
of
piston ring
to
ring groove
mm (in) Second 0.04-0.08 (0.0016-0.0031) Clearance
of
piston ring
to
ring groove
mm (in) Maximum 0.2 (0.008)

Piston pin

Piston pin hole diameter
(in
piston) 29.997-30.007 (1.1810-1.1814) 24.997-25.007 (0.9841-0.9845)
Diameter
mm
fin) 29.994-30.000 (1.1809-1.1811) 24.994-25.000 (0.9840-0.9843)
Clearance
in
connecting rod bushing
mm
(in) 0.05 (0.002) max.

30—12

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

TECHNICAL DATA 30
6. CLUTCH
Item Engine model F6 F8 FE FE DOHC RF-N RF-CX
Clutch control

Type Hydraulic
Master cylinder inner diameter mm (in) 15.87 (0.625)
Release cylinder inner diameter mm (in) 19.05 (0.750)
Clutch fluid type DOT-3
or
DOT-4, FMVSS 116,
or
SAE J1703

Clutch pedal

Type Suspended
Pedal ratio LHD 6.00 Pedal ratio RHD 5.96
Full stroke mm (in) 135 (5.31)
Height mm (in) 216.5-221.5 (8.524—8.720)
Free play mm (in) 5—13 (0.20—0.51)
Distance
to
floor when clutch LHD 68 (2.7)
or
more
fully disengaged mm (in) RHD 85 (3.3)
or
more

Flywheel

Deflection mm (in) 0.2 (0.008) max.
Grinding limit mm (in) 0.5 (0.020) max.

Clutch disc

Type Single
dry
plate
General 3434 (350, 770) 3846 (392, 862) 4316 (440, 968) 3846 (392, 862)
—

Set load N (kg,
lb)
ECE (Except UK)
—
4022
(410, 902) 4611 (470, 1034) 4022 (410, 902)
UK
—
3846
(392, 862)
4611
(470, 1034)
4316
(440, 968) 3846
I
4022
(392, 862)|(410, 902)
Runout mm (in) 1.0 (0.039) max.
Wear limit mm (in) 0.3 (0.012) from rivet head
Outer diameter mm (in) 200 (7.874) 215
(8.465) 225 (8.858)
Inner diameter mm (in) 130 (5.118) 150 (5.906)
Flywheel side 3.5 (0.14)
Facing thickness Pressure plate
side
General 4.1 (0.16)
-

mm (in) Pressure plate
side ECE (Except UK)
—
3.8 (0.15) Pressure plate
side UK
—
4.1
ro.16)
3.8 (0.15) 4.1 (0.16) 3.8
(0.15)
Clutch cover

Type
Diaphragm spring

Runout mm (in) 0.05 (0.0020) max.
Grindina limit mm (in) 0.5 (0.020)

30—25

TECHNICAL DATA 30
11. BRAKING SYSTEM
Item Specifications

Brake
pedal
Height
mm
(in) LHD
&
RHD 222 (8.74 _+g2)
Brake
pedal
Free play
mm
(in) 4-7 (0.16—0.28)
Brake
pedal
Reserve travel
mm (in)

(Clearance when pedal
is
depressed
at 5S

95 (3.74) min.
39
N
(60 kg, 132 lb))
Brake
pedal
Lever ratio 4.2
Brake
pedal
Max. stroke
mm (in)
LHD: 136.5 (5.37) RHD: 135 (5.31)
Master cylinder
Type Tandem Master cylinder Bore
mm
(in) 22.22 (0.875) Master cylinder Fluid type DOT-3
or 4, or
SAE J1703
Front disc brake
Type Disc (ventilated)
Front disc brake
Thickness
of
pad
mm (in)
Standard 10.0 (0.39)
Front disc brake
Thickness
of
pad
mm (in)
Minimum 2.0 (0.08)
Front disc brake
Area
of
pad mm2 (in2) 4,800 (7.44) Front disc brake Outer diameter
of
disc plate
mm (in)
14
or 15
inch-wheel: 264 (10.39)
13
inch-wheel: 242 (9.53) Front disc brake Thickness
of
disc plate
mm (in)
Standard 14
or 15
inch-wheel: 24.0 (0.94)
13
inch-wheel: 20.0 (0.79)
Front disc brake Thickness
of
disc plate
mm (in) Minimum 14
or 15
inch-wheel: 22.0 (0.87)
13
inch-wheel: 18.0 (0.71)
Front disc brake
Disc plate runout
mm (in)
Maximum 0.1 (0.004)
Front disc brake
Wheel cylinder bore
mm (in)
53.97 (2.125)
Rear drum
brake
Type Leading-trailing
Rear drum
brake
Clearance between shoe and drum Self-adjusting
Rear drum
brake
Thickness
of
lining mm (in)
Standard (a):
4.5
(0.18) (b): 5.0 (0.20)
Rear drum
brake
Thickness
of
lining mm (in) Minimum 1.0 (0.04) Rear drum
brake Width
of
lining
mm (in)
(a):
30
(1.18)
(b)
25 (0.98) Rear drum
brake Length
of
lining
mm fin)
(a): 219.3 (8.63)
(b)
1919 (7.56)
Rear drum
brake
Inner diameter
of
drum mm (in)
Standard (a): 228.6 (9.00)
(b)
200 (7.87)
Rear drum
brake
Inner diameter
of
drum mm (in) Maximum (a): 230.1 (9.06)
(b)
201.5 (7.93)
Rear drum
brake
Wheel cylinder bore
mm (in)
17.46 (0.687)
Rear disc
brake
TvDe Disc (solid)
Rear disc
brake
Thickness
of
pad
mm (in)
Standard 8.0 (0.31)
Rear disc
brake
Thickness
of
pad
mm (in)
Minimum 1.0 (0.04)
Rear disc
brake
Area
of
pad mm2 (in2) 2,900 (4.5) Rear disc
brake Outer diameter
of
disc plate
mm (in)
259 (10.2) Rear disc
brake Thickness
of
disc plate mm (in)
Standard 10.0 (0.40)
Rear disc
brake Thickness
of
disc plate mm (in) Minimum 8.0 (0.31)
Rear disc
brake
Disc
Dlate runout mm fin)
Maximum 0.1 (0.04)
Rear disc
brake
Wheel cylinder bore
mm (in)
30.2 (1.19)
Parking
brake
TvDe Center lever Parking
brake Lever notches
(Pulled
at
98N
(10
kg,
22 lb))
5-7
Power
brake unit
Diameter
mm (in)
238 (9.37)
Power
brake unit
Clearance between master cylinder piston and push
rod mm
(in) 0(0)
Power
brake unit Fluid pressure per treading force
kPa (kg/cm
,
psi)/N (kg,
lb)

1,177 (12,171 )/196 (20,
44)
min. when
no
vacuum
is
applied 7,063 (72, 1,024)/196 (20,
44)
min.
when 500 mmHg (19.7
in
Hg) vacuum
is
applied
Rear wheel hydraulic control devise (svstem)
Type Dual proportioning valve (Non-ABS)
or
ABS Rear wheel hydraulic control devise (svstem) Switching point kPa (kg/cm2,
psi)
Except General LHD and RHD: 1,962 (20, 284) General LHD and RHD: 2,942 (30, 427)
(a): Except
13
inch-wheels
in
General LHD and RHD vehicles (b):
13
inch-wheels
in
General LHD and RHD vehicles

30—37