Mazda1989–1991Technical specifications

323 1.3 16V: Technical specifications

Workshop data for the 1.3-litre petrol (engine code B3). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (B3) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 323
Years: 1989–1991
Fuel: Petrol
Engine code: B3

Performance & efficiency

Power: 54 kW (73 hp)
Engine size: 1,323 cc
Cylinders: 4 · OHC
Compression ratio: 9.4:1
Fuel system: Hitachi

Fluids & capacities

Engine oil (with the filter): 3.2 litres

All 129 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1323 (1313)
Compression ratio :1	9,4
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Type	TSZ-i
Ignition system Description	Trans-i
Trigger location	Distributor
Fuel system Make	Hitachi
Fuel system Type	28-32
Fuel system Description	Carb-2V
Diagnostic socket	Yes

Ignition system

Ignition coil Make	Hanshin
Ignition coil supply voltage + with ballast V	12,0
Primary resistance Ohm	0,77-0,95
Secondary resistance Ohm	10000-16000

Firing order

The firing order for the Mazda 323 1.3 16V (1989–1991) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Mazda 323 1.3 16V (1989–1991) are 0,30 mm inlet and 0,30 mm exhaust, measured hot.

Valve clearance - INLET mm	0,30 hot
Valve clearance - EXHAUST mm	0,30 hot

Engine oil & fluids

Engine oil

The Mazda 323 1.3 16V (1989–1991) takes 3.2 litres of engine oil with the filter.

See the reference table for the complete engine oil entries and their conditions.

Manual gearbox

The manual gearbox has a listed capacity of 2.7 litres. The specified oil is Dexron II.

Coolant

The total cooling-system capacity entries are 5.0 litres without a stated condition; 6.0 litres for AT.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞-20°C
Engine oil grade SAE	5W-20
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	➞0°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-25°C➞30°C
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-25°C➞
Engine oil grade SAE	10W-40, 10W-50
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-10°C➞
Engine oil grade SAE	20W-40, 20W-50
Engine oil classification API/ACEA	SJ/A2
Engine with filter(s) litres	3.2
Other lubricants and capacities
Manual transmission oil grade SAE	Dexron II
Manual transmission litres	2.7
Automatic transmission fluid Type	Dexron II
Automatic transmission (dry fill) litres	5.7
Cooling system - total capacity litres	5,0 AT=6,0
Brake fluid Type	DOT 3/4
Power steering fluid Type	Dexron II

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda 323 1.3 16V (1989–1991) are replaced at a minimum thickness of 16 mm (ventilated) front and 7 mm rear.

Minimum disc thickness
Minimum disc thickness for replacement - ventilated Front	16 mm
Minimum disc thickness for replacement Rear	7 mm
Maximum drum diameter for replacement Rear	201 mm

Brake disc and drum dimensions

Minimum disc thickness
Disc runout Front	0,10 mm
Disc runout Rear	0,10 mm
Maximum drum diameter
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	1 mm
Minimum shoe thickness Rear	1 mm
Parking brake travel No. of notches	5-7

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 323 1.3 16V (1989–1991) is 0°±1° BTDC at 800-900 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	0±1/800-900

Battery

The Mazda 323 1.3 16V (1989–1991) uses a 12 V, 45 Ah battery (reserve capacity 55 minutes).

Battery V/RC(Ah)	12/55 (45)

Spark plugs

The Mazda 323 1.3 16V (1989–1991) uses NGK BKR5E spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BKR5E
Electrode gap mm	0,8
Spark plugs Make	Autolite
Spark plug Type	APP3924
Electrode gap mm	0,9
Spark plugs Make	Bosch
Spark plug Type	FR7DC
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RC10YCC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BKR5E
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0-2/1200
Ignition advance checks °Engine/rpm	12-16/2700
Ignition advance checks °Engine/rpm	16-20/3400
Vacuum check	Ignition timing advances
Vacuum range °Engine	12-16
Vacuum starts mbar	133
Vacuum ends mbar	452
Idle speed rpm	850-900
Idle speed - alternative rpm	AT=1000-1050
Fast idle speed - MT/AT rpm	1250-1750
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	1,0-2,0
HC level at idle speed ppm	300
CO2 level at idle speed Vol. % CO2	13-16
O2 level at idle speed Vol. % O2	0,5-2,0

Starting and charging

Starter motor Make	Mitsubishi
Starter motor Type	12V/0,85 kW
Maximum cranking amps A	122-149
Alternator Make	Mitsubishi
Alternator Type	12-60
Alternator output A/V/rpm	60/12/3000
Voltage regulator Type	IC
Regulated voltage V	14,1-14,7

Service checks and adjustments

Compression pressure bar	9,7-13,8
Oil pressure bar/rpm	3-4/3000
Radiator cap bar	0,75-1,05
Thermostat opens °C	82
Drive belt tension - alternator/PAS/AC mm	9-10

Fuel system

Fuel pump delivery pressure bar	0,28-0,35

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda 323 1.3 16V (1989–1991) are tightened in 3 stages: 20-30 Nm, then 40-60 Nm, then a final 76-81 Nm.

Cylinder head
Renew bolts	No
Tighten	20-30 Nm
Tighten	40-60 Nm
Tighten	76-81 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	27 Nm
Main bearings Stage 2	54-59 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	15 Nm
Big end bearings Stage 2	29-34 Nm
Oil pump to cylinder block	20-25 Nm
Sump bolts	10 Nm
Sump drain bolt	30-40 Nm
Flywheel/driveplate	100 Nm/100 Nm
Clutch pressure plate	18-26 Nm
Crankshaft pulley/damper centre bolt	108-128 Nm
Camshaft sprocket/gear	49-61 Nm
Camshaft/rocker cover	5-9 Nm
Inlet manifold to cylinder head	20-25 Nm
Exhaust manifold to cylinder head	15-25 Nm
Spark plugs	15-23 Nm
Chassis tightening torques
Front hub	—
Front hub
Rear hub	—
Rear hub
Steering track rod end	42-57 Nm
Brake caliper/carrier to hub Front	45 Nm
ABS sensor Front	20 Nm
ABS sensor Rear	20 Nm
Road wheels	88-118 Nm

Air conditioning

Air conditioning refrigerant Type	R12
Air conditioning refrigerant quantity grams	775±25
Air conditioning oil Type	Dens Oil 6
Air conditioning oil quantity cm³	120

Frequently asked questions

What is the firing order of the Mazda 323 1.3 16V?

The firing order for the Mazda 323 1.3 16V (1989–1991) is 1-3-4-2.

What spark plugs does the Mazda 323 1.3 16V use?

The Mazda 323 1.3 16V (1989–1991) uses NGK BKR5E spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 323 1.3 16V take?

The Mazda 323 1.3 16V (1989–1991) takes 3.2 litres of engine oil with the filter. See the reference table for the complete engine oil entries and their conditions.

What are the valve clearances for the Mazda 323 1.3 16V?

Valve clearances for the Mazda 323 1.3 16V (1989–1991) are 0,30 mm inlet and 0,30 mm exhaust, measured hot.

What is the cylinder head torque for the Mazda 323 1.3 16V?

The cylinder head bolts on the Mazda 323 1.3 16V (1989–1991) are tightened in 3 stages: 20-30 Nm, then 40-60 Nm, then a final 76-81 Nm.

What is the ignition timing for the Mazda 323 1.3 16V?

Basic ignition timing for the Mazda 323 1.3 16V (1989–1991) is 0°±1° BTDC at 800-900 rpm.