maintenance MAZDA 323 1992 Suplement User Guide

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

Troubleshooting GI
Precautions to take when servicing an electrical system
l Note the following items when servicing the electrical system.
l Do not alter the wiring or electrical equipment in any way; this may damage the vehicle or cause a fire from
short-circuiting a circuit or overloading it. l
The negative (-) battery cable must be removed first and
installed last. l Do not replace with fuses exceeding specified capacity.
1OA
f5A
Zaution
o Be sure that the ignition and other switches are off
Caution
before disconnecting or connecting the battery
l Replacing a fuse with one of a larger capacity than
cables.
designated may damage components or cause a fire.
Failure to do so may damage the semiconductor
components.
0 Tape areas of the
l When mounting l Secure harnesses with provided clamps to take up slack.
harness that may rub or
components, be sure the
bump against sharp
harness is not caught or
edges to protect it from
damaged.
damage.
Zaution
B Clamp all harnesses near vibrating components
(for example, the engine) to remove slack and to
prevent contact resulting from vibration.
D Do not handle electrical components roughly or drop
them.
l Disconnect heat-
sensitive parts (for
example, relays and
ECU) when performing
maintenance (such as
welding) where
temperatures may exceed
80°C (176°F). l Make sure that the
connectors are securely
connected when
installed.
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