1992 MAZDA 323 engine

TD TECHNICAL DATA
ENGINE (BP DOHC turbo)
Item m
Type BP DOHC turbo
Gasoline, 4-cycle
Cvlinder arranoement and number
1 In-line 4-cylinders
I
I Combustion chamber
I Pent&of
Valve system DOHC, belt-driven 16 valves
Bore x Stroke mm {in] 83.0 x 85.0 (3.27 x 3.35)
Total piston drsplacement cm3 Icu in] 1,839 {112.2)
Compression rat!0 8.2
1 Standard 1,127 111.5, t641-300
Compression pressure
kPa ( kgf/cm2, psi 1 -rpm
Valve timing Mintmum
Maximum drfference between
each cylinder
IN Open BTDC
Close ABDC
EX Open BBDC
Close ATDC ! 785 {8.CI, 114]-300
196 12.0, 28)
2*
51°
590
8*
Valve clearance
I I ---- f IN
mm linl EX I 0: Maintenance-free
0: Maintenance-free
Cylinder head
Height mm finI 133.8-l 34.0 { 5.268-5.276 1
DIstortion mm [in] 0.10 !0.004] max.
GrindIng mm [in) 0.10 {O.O04t max.
Cylrnder head-to-l-LA clearance rqm [ In] Standard 0.025-0.066 IO.001 O-0.0026 ]
Maximum 0.18 10.0071 1
Valve and valve guide
Valve head diameter
mm Ml IN 32.9-33.1 { 1.295-l -3031
27.85-28.15 ! 1.096-l .I08 I -
tN
0.025-0.060 ~0.0010-0.6024)
Valve stem-to-guide clearance mm {in] EX 0.030-0.065 (0.0012-0.0026)
Maximum
0.20 IO.008 1
Guide projection (Height “A”} mm IIn) Ex
Vslve seat 18.3-18.9 {O-720-0.744)
18.3-18.9 { 0:720-0.744 ] rem
Fanshaft -
;am height
Journal diamr
Camshaft be5
Camshaft run’
Camshaft enc
Cylinder b6
Height 1
Distortion
Grinding
Cylin’aer bore
Cylinder Borg
Piston -
Piston diams
Measured at
bore axis ant
(0.433 in) b
groove
Piston to cyi
Piston ring
ThickneSS
End gap (MJlt
Ring groove
Piston ring4
TD-2

TECHNICAL DATA TD
Hem
Camshafi
Engine
BP DOHC turbo
IN Standard
Cam height mm 1 in) Wear limrt
EX Standard
Wear llmrt
Standard
Journal diameter mm 1 In] (M.1 --NW
Out-of-round
Standard
Camshaft bearing oil clearance mm { in ] (No. f-440.5)
Maximum
Camshaft runout mm {in)
Camshaft end play mm Iin] - Standard
Maximum
Winder block
Height mm {in)
Distortion mm {in]
Grinding mm (in)
Cylinder bore diameter Standard size
mm Iin) 0.25 [ 0.010) oversize .
0.50 [ 0.020 ] oversize
Cylinder bure taper and out-of-round mm [in]
Piston
44.094 { 1.7360 ]
43.894 f 1.7281 ]
44.603 [ 1.7560)
44.403 [ t .748t ;
X940-25.965 I 1.0213-l .0222 j
0.05 (0.002] max.
0.035-0.081 [ 0.0014-0.0032 )
0.15 (0.006)
0.03 (0.0012 1 max.
0.07-O. 19 [ 0.0028-0.0075 1
0.2 IO.008 1
221.5 (8.720)
0.15 [0.006) max.
0.20 [0.008] max.
83.006-83.013 13.2679-3.2682 ]
83.256-83.263
13.2778-3.2781 ]
83.506-83.513
( 3.2876-3.2879 )
0.019 [0.0007) max.
Piston diameter Standard size 82:954-82.974 13.2659-3.2667 1
Measured at 90° to pin
bore axis and 11 .Omm
oversize 83.21 I-83.217
10.433 in] below oil ring 0.25 j 0.010 ]
13.2760-3.2763 ]
groove mm {In)
0.50 { 0.020) oversize 83.461-83,467
{ 3.2859-3.2861 )
Piston to cybnder clearance
Piston ring
mm (in) Standard 0.039-0.052 [ 0.0015-0.0020 ]
Maximum
0.15 [0.006]
Thickness mm {in] Top
Second
, Top
End gap (Measured in the cylinder) Second
mm I in 1 Oil (rail)
Maximum
TOP
Ring groove width in piston
mm (in) Second
r
Oil
Piston ring-to-ring groove clearance TOP
mm (in] Second
Maximum
Piston pin
Diameter mm {in)
Piston-to-piston pin clearance mm iin]
Connecting rod bush-to-piston pin clearance mm Iin)
Connecting rod and connecting rod bearing
Length (Center to center) mm {in] 1
Bending mm [in]
Small end bore (Bush inner diameter) mm [in)
Big end bore mm {in)
Bfg end width mm [in) 1
Standard
Connecting rod side clearance mm I in 1 Maximum I
Crankshaft
Crankshaft iunout mm {ln) 1.470-l ,495 { 0.0579-0.0589 ]
1.47-l -49 [0.0579-0.0587 )
0.15-0.30 [ 0.006-0.012 1
0.35-0.50 { 0.014-0.019 1
0.20-0.70 (0.008-0.028 )
1.0 [0.039)
1.520-I .535 f0.0598~9.0604 f
1.52-l .54 ~0.0598-0.0606)
3.02-3.04 (0.1189-0.1197 1
0.025-0.065 { 0.001 O-0.0026 ]
0.03-OXI7 (O.O012--0.0028)
._
0.15 (0.006]
19.987-l 9.993 (.0.7869-0.7871 )
-0.005-0.013 { -0.0002-0.0005 1
O.Ql O-0.027 ~0.0004-0.0011 )
m D 132.85-132.95 (5.230-5.234 1
0.075 ( 0.0030 ] max./50 I1:97 ]
20.003-20.014 ( 0.7875-0.7880 1
48.000-48.016 [ 1.8898-l 48904 ]
21.838-21.890 (0.8598-0.86t81
0.11 O-O.262 f 0.0043-0.0103 1
0.30 [0.012)
0.04 (0.0016)
mdx.
TCI rl

TD TECHNICAL DATA
LU8RlCATtON SYSTEM
Item
Lubricating method
011 pump Engine
BP DOHC turbo
Force-fed
6 . Trochoid gear
Relief pressure
kPa I kgf/cm’. psi] 343-441 [ 3.5-4.5, 50-64 1
Regulated pressure kPa { kgf/cm’ , psi ] -rpm
294-392 { 3.0-4.0, 43--57.1.3,000
Inner rotor tooth tip to outer. rotor Standard
0.02-0.16 (OJOOS-O.O063]
clearance
mm {in]
Maximum I
0.20 [ 0.0078 )
Outer rotor to body clearance
Side clearance
Oil fIl!er
, TYpe
Relief pressure differential . mm [in) Standard
Maximum
mm {in) Standard
Maximum 1
kPa’ f kgf/cm’, psi 1 0.09-0.18 ~0.00354.Ofl71]
0.22 { 0.0087 1
0.03-0.11 ~0.0012-0.0043~
0.14 {0.0055)
Full-flow, paper element
. 78-118 (0.8-1.2. 11-17) Srade
----l-in
Viscosity
num her
Item
Cooling metha
Water pump
, We
Impeller diame
Number of imf
Speed ratio -
Water seal !$
Thermostat
Jype. _
Opening terq
/Full-open
1 F&open lift
I
Antifreeze E
TD-4

TECHNICAL DATA TD
Engine
Item BP DOHC turbo
Engine oii
Total (dry engine} 4.0 14.2, 3.5)
Capacity
L IUS qt, Imp qtl Ott pan 3.6 (3.8, 3.2)
011 filter 0.17 (0.18, 0.15)
Grade API Service SD, SE, SF or SG
Above 30°C (86*F) SAE 40
O*C-40*C ~32°F-1040F 1 SAE 30
-1 OOC--2O*C [ 14OF-68OF ] SAE 2OW-20
Viscosity Above -10% [14*Fj SAE ZOW-40 or 2OW-50
number -25*C--3O*C I-1 3OF-86OF ] SAE 1 OW-30
Above -25OC (-13*F1 SAE low-40 or low-50
Below O*C (32*F] SAE 5W-30
Below -2O*C I-4*F] SAE 5W-20
COOLING SYSTEM
L
item
Zooling method - 1 Engine
BP DUHC turbo
I Water-cooled, forced crrcutation
water pump
Type
mpeller diameter
Number of impeller blades
Speed ratio
tiater seal type
rhermostat
bfpe
Opening temperature
Full-open temperature
Full-open lift mm [in)
OC (OF)
*C j*FJ
mm (in] Centrifugal, V-belt driven
75 12.95)
6
1 : 1.05
Unified mechanical seal
Wax, two-stage
Marn: 86.5-89.5 [ 788-I 93 1
Sub: 83.5-86.5 [182-i 88)
loo (212)
Main: 8.0 (0.31 1 min.
Sub: 1.5 IO.061 min.
Radbtor
Type
Cap valve opening pressure kPa { kgflcm2, psi)
Cooling circuit checkrng pressure kPa ( kgflcm2, psi 1
Cooling fan
Type
Number of blades
Outer diameter mm {in 1
Capacity w-v
Current A
Water thermoswitch
OFF-+ON “C 1°F) 1
Radiator thermoswitch
OFFdON OC (OF]
Coolant
Capacity LWS qt,
Imp qt) Coolant protection
Above -16*C (3OF]
Antifreeze solutron
.Above -26*C t-1 5*F ) -
Above -4UOC I-40°F) Corrugated fin
74-103 {0.75--1.05, 11-15)
103 11.05, 15)
Electric
5
340 (13.41
160-12
Hi: 13.3+ 10% max., Lo: 8.8+ 10% max.
97 f207)
105 [221)
6.0 16.3, 5.3)
Specific gravity at 20*C (68*f)
1.054
1.066
1.078 -.ep
1

TO TECHNICAL DATA
FUEL AND EMISSION CONTROL SYSTEMS
Item.
Idle speed
tgf-don trrmng-
Fuel pump
MaxImum output pressure
Transfer pump
Maximum output pressure
Fuel filter Engine
rPm
BTDC
kPa [ kgf/cm2, psi 1 1
kPa { kgflcm2, PSI ) 1 BP OUHC turbo
800 f 50
10 l 10
490-736 (5.0-7.5, 71-1 IO]
39 10.4, 5.7 ) or higher
I Type
Low-pressure side Nylon element (in fuel pump)
Hiah-Dressure side PaDer element
Pressure regulator
Regulating low kPa ( kgflcm2, psr 1 265-314 (2.7-3.2, 38-46 1
pressure High kPa { kgflcm2, psr 1 304-392 (3.1-4.0, 44-57 1
lniector
_ Type Low-ohmic
Type of drive
Electromechanical
Resistance q
Approx. 2.11 Q (at 20% ( 68*f )]
lniector reslstor
L - Resistance/injector
Idle-speed control (tSC) valve
TvDe n 1 6 [at 20°C 168OFjj
I Rotarv
Resistance
Solenoid valve (purge control)
Resbstance
Solenoid valve {wastegate)
Resistance n(
R I
i-l I 1 t-13 [at ZO*C {68OF j]
23-27 tat 20°C l68OFll
. r.
33-39 lat 20°C I68OF 11
Solenoid valve (PRC)
Resistance Low temp. q
33-39 [at 2O*C {SS*F]]
High temp. 0 1 33-39 [at 20°C (68OF]]
Water thermosensor
-20°C ( -4OFJ 1 14.6-17.8
Resistance kQ 2o”c I 68OF) 2.21-2.69
40°C ( tO4OF) 1.0-l 3
80°C I176OFJ 0.29-0.35
Airflow meter
Resistance R E244Vs
E2*Vc Fuity closed
Fully open I 20-600
20- 1,000
200-400
EP++THAA
(intake air
thermosensor) -2O*C ( -4OFj 1 13,600-l 8,400
20% 1 68OF) 1 2,210-2,690
6O*C 114OOFl i 493-667
EI ~Fc
I Fully closed 00
0 1
Oxygen sensor (ceramic beater coil)
Resistance
Fuel tank Approx. 6 [at 20°C f68OF)]
I CaDacW L I US oal. ImD aal I I 60 I 15.9, 13.2 I
I
Air cleaner
Element type
Fuel
Specrficatioir Oil permeated
Unteaded premium (RON 95 or higher)
l TEN terminal of diagnosis connector grounded. .
-
ENGINE ELI
3attery
I
Dark current’
Alternator
Starter
Distributor qr
Ignition timin?
ffEN terminal
Ignition coil
Spark plug
l ’ Dark current
r2 Standard pl

TECHNICAL DATA TD
ENGINE ELECTRICAL SYSTEM
l ’ Dark current is the constant flow of current while the ignition switch is OFF. (i.e., engrne control unit, EC-AT control unit, audio, etc.)
l z Standard plug tteq Engine
BP OOHC turbo
Battery Voltage v 12
Type and capacity (2U-hour rate) 55D23t (60Ah)
Dark current
l r mA Max. 20.0
_ Type AC.
Output V-A 12-70
Regulator type Transistorized (bitt-in IC regulator)
Regutated voltage v 14.1--t4.7
Alternator
’ Standard
Brush length mm 1 in] r 21.5 { 0.846 ]
Minimum 8.0 (0.32 )
Drive belt deflection New 5.5-7.0 10.22-0.27 ]
98 N (10 kgf, 22 IM] Used 6-O-7.5 (0.24-0.29 1
mm Iin)
Limit 8.0 IO.31 1
, Type Direct
Starter Output v-kW
Standard
Brush length mm {in] Minimum
Distributor spark advance
Ignition timing BTDC
(TEN terminal of diagnosis connector grounded)
Primary coit
Ignition coil Resistance winding
(at 20°C 168OF)) Secondary coil
winding
NGK
TYW
Spark plug NIPPONDENSO
, ml WP mm (in)
Firing order 12-0.85
17 (0.671
11.5 IO.481
Etectronic spark advance (ESA)
10 f 10
0.81~-0.99Q
IO-16 kfI
BKRGEVXI I**/ BKRSEVXI 1
BKR7EVX-f f
K20PR-TPl l”‘/ KlGPR-TPI 1
K22PR-TP 11
1.0-l .f { 0.039-0.043)
l-3-4-2

TD TECHNICAL DATA
CLUTCH
Jmn -
Clutch control
Clutch oedat Engine/Transaxle BP DOW turbo
G25MX-R {G5MX-R)
Hydraulic Type I
Suspended
Pedal ratio mm [in) 6.55
Full stroke mm {in] 135 t5.311
Height (With carpet) mm [in] 196-204 (7.72-8.03 1
Free play mm (in] 5.5-l 7.4 {0.22-0.69 ]
Distance to carpet when clutch fully
disengaged mm [in) Minimum 41.0 (1.61 ]
Flywheel
Runout limit mm {in] 0.200 [ 0.0079)
Clutch disc
1
, Type I Single dry plate
Runout limit mm (in) 0.700 [ 0.0276 )
Wear limit mm {in] 0.3 [ 0.012 ] from rivet head
Outer diameter mm {in] 230 {9.05)
Inner diameter mm {in) 155 i6.10)
Facing thickness mm [in] Flywheel side
I 3.5 (0.14)
Pressure elate side 3.5 10.141
Clutch cover
Type
Set load
Ctutch fluid
Type I
N [kgf, Ibf) 1
I Diaphragm spring
5,494 1560, 1,232)
SAE J1793 or FMVSS116 DOT-3 MANUAL TRANSAXLE AND TRANSFER
SpecMcation
Transaxle type
Transaxle control
Transaxle shift control
Syncromesh system G25MX-R (G5MX-R)
Floor shift
Cable
Forward: Synchromesh
Reverse: Seiective sfidina and svnchromesh
I 1 st 3.454 a
2nd 1.833
3rd 1.310
Gear ratio
4th 0.970
5th 0.717
Reverse 3.166
Final gear ratio I . 4.214
Speedometer gear ratio (Driven gear/drive gear) 1.045 (23122)
Grade API service GL-4
011 Viscocity AkeaSQn: ATF Dexron@II or M-ID
Above -l8*C (OOF): SAE 75W-90
Capacity L {USqt, Imp itI 2.6 12.7, 2;2]
Runout
Primary shaft gear runout
Secondary shaft gear runout mm {in) 0.050. [ 0.0020 ]
mm [in] 0.015 { 0.0006 ]
Clearance
1st’ (Gear inner dia. -shaft puter dia)
2nd (Gear inner dia. -shaft outer dia)
3rd {Gear inner dia. -shaft outer dia)
4th (Gear inner dia. -shaft outer dia)
5th (Gear rnner dia. -shaft outer diaj mm {in] 1 0.030-0.080 { 0.0012-0.0~3 11
mm {in) 0.030~0.08C (-0.0012-0.0031 1
mm (in) 0.030-0.080 I 0:0012-0.003i 1
mm [in] 0.030-0.080 [ 0.0012-0.0031 ]
mm [lnl 0.030--0.080 ~0.0012-0.0031 1
1. TD-8
Lern
l-2 sift for
3-4 shift fri
5th shift f;t
Reverse iti
Thrust cli
1st gear
2nd gear
3rd gear
4th gear
5th gear
. .
Primary St
Seconda:
Center ci
Type :
Number
c
Number (
Number r
Number ;
Bearing ;
Bearing
1
End plai
Ring get
End pi&i
Sun gea
frltnsfe~
Final g&f
Number

TD TECHNICAL DATA
Hem Engine
SP DOHC turbo
Note ) I
1 st and 2nd
Synchronizer ring outer diameter
’ I 67.7 I2.665)
mm [in] 3rd and 4th 67.7 12.665 )
5th and reverse 55.7 t2.192)
Synchronizer key dimension 1st and 2nd @ 19.0 {0.748], 04.3 (0.171, 05.0 10.20)
mm [in] 3rd and 4th @ 17.0 10.669J, 04.3 (0.171, @ 5.0 lO.20)
5th and reverse 0 17.0 10.6691, m4.3
10.171, @I 5.0 fO.201
PROPELLER SHAFT
Item
length
Outer diameter Engineflransaxie Model BP DOHC turbo
G25MX-R (GSMX-R)
Front 834.3 { 32.85 ]
mm fin] Center 584 122.99)
Rear
I 437 { 17.20)
Front 75 (2.95)
mm { in] Center 57 12.24) f
Rear 57 12.241
FRONT AND REAR AXLES
Item Specifications
Front driveshaft

Jomt type Inside Double oftset joint
Outside Bell jotnt
Length of joint (between center of joint) mm { rn t - Right 392 (15.4)
left 306 (0.83 ]
Shaft diameter mm {in] 21.0 to.831
I
Rear driveshaft
Joint type Inside 1
Outside 1
Length of joint (between center of joint) mm [in ] ’ Right
Left
Shaft diameter mm (in)
J&t shatt
Length of joint
Shaft diameter
Front axle
Bearing play axial direction mm [in] 1
Rear axle
Bearing play axial direction mm lin] 1
Rear differential (viscous limited slip differential) Double offset joint
Bell joint
519.5 (20.5 ]
489.5 [f9.3]
21.0 IO.831
357.2 1 t4.11
21 .O (0.83 )
0.050 IO.002 ]
0.050 (0.002 ]
*
Reduction gear
Different ia gear
Oifferential ratro
Number of teeth
Flurd
L Ring gear
Drive .pinion gear
Grade
Viscosity Above -18*C fO*F ]
Below -18*C lOoF)
, Capacity
L fUS qt, Imp c$l Hypoid gear
Straight bevel gear
3.909
43
11
API Service GL-5
SAE 90
SAE 80W
0.65 lQ.69, 0.571 STEERING SI
1 Free olav 8RAKING SY
Brake type
Brake pedat
Height
Free play 1
Reserve travel
Clearance whet
Master cylinde
Master cylinder
Front disc brai
. Tyl?e
Thickness of p&
Thickness of pa