Mazda1981–1985Technical specifications

323 1.3: Technical specifications

Workshop data for the 1.3-litre petrol (engine code E3). Covers engine, fluids, service and torques: the figures to check before a job or a parts order.

Summary

Match the engine code (E3) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: 323
Years: 1981–1985
Fuel: Petrol
Engine code: E3

Performance & efficiency

Power: 50 kW (68 hp)
Engine size: 1,296 cc
Cylinders: 4 · OHC
Compression ratio: 9.2:1
Fuel system: Hitachi

Fluids & capacities

Engine oil (with the filter): 3.7 litres

All 89 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1296 (1285)
Output - alternative kW (DIN hp) rpm	(D)=44 (60)
Compression ratio :1	9,2
Suitable for unleaded petrol	Yes
Minimum octane rating RON	91
Ignition system Type	SZ/TSZ-i
Ignition system Description	CB/Trans-i
Fuel system Make	Hitachi
Fuel system Description	Carb-2V

Ignition system

Ignition coil supply voltage + with ballast V	3,0 +
Ballast resistance Ohm	1,6
Primary resistance Ohm	3,1
Secondary resistance Ohm	10000-30000
Distributor (ECM) Make	Mitsubishi
Contact breaker gap/trigger air gap mm	0,5
Dwell angle °(%)	49-55 (54-61)

Firing order

The firing order for the Mazda 323 1.3 (1981–1985) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Mazda 323 1.3 (1981–1985) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.

Valve clearance - INLET mm	0,25 hot
Valve clearance - EXHAUST mm	0,30 hot

Engine oil & fluids

Engine oil

The Mazda 323 1.3 (1981–1985) takes 3.7 litres of engine oil with the filter.

A listed engine oil option is SAE 10W-40 for moderate climates, with API/ACEA classification SG.

A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

Manual gearbox

The manual gearbox has a listed capacity of 3.2 litres.

See the reference table for the complete manual gearbox entries and their conditions.

Coolant

The listed total cooling-system capacity is 5.5 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	Moderate climate
Engine oil grade SAE	10W-40
Engine oil classification API/ACEA	SG
Ambient temperature range	Moderate climate alternative
Engine oil grade SAE	20W-50
Engine with filter(s) litres	3.7
Other lubricants and capacities
Manual transmission oil grade SAE	TQF 1982-=80W-90
Manual transmission litres	3.2
Automatic transmission fluid Type	ATF-G
Automatic transmission (drain & refill) litres	5.7
Cooling system - total capacity litres	5.5

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 323 1.3 (1981–1985) is 6°±1° BTDC at 850 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	6±1/850

Battery

The Mazda 323 1.3 (1981–1985) uses a 12 V, 35 Ah battery (reserve capacity 55 minutes).

Battery V/RC(Ah)	12/55 (35)

Spark plugs

The Mazda 323 1.3 (1981–1985) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	BPR6ES
Electrode gap mm	0,8
Spark plugs Make	Autolite
Spark plug Type	64
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	WR8DC
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RN9YCC
Electrode gap mm	0,8
Spark plugs Make	NGK
Spark plug Type	BPR6ES
Electrode gap mm	0,8

Tuning and emissions

Ignition advance	Without vacuum and basic timing
Ignition advance checks °Engine/rpm	0/1300
Ignition advance checks °Engine/rpm	10/2500
Ignition advance checks °Engine/rpm	26/6000
Vacuum check	Ignition timing advances
Vacuum range °Engine	22
Vacuum starts mbar	160
Vacuum ends mbar	480
Idle speed rpm	850±50
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	2,0±0,5
HC level at idle speed ppm	300
HC level at idle - alternative ppm	-1982=400
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 0,8kW
Minimum starting voltage V	11,5
Maximum cranking amps A	95-116
Alternator Make	Mitsubishi
Alternator Type	12V 50A
Alternator output A/V/rpm	45/14,5/2500
Regulated voltage V	14,1-14,7

Service checks and adjustments

Compression pressure bar	12,0
Oil pressure bar/rpm	3,4-4,4/3000
Radiator cap bar	0,80-1,00
Thermostat opens °C	88
Drive belt size - alternator mm	9,5x960
Drive belt tension - alternator/PAS/AC mm	13-14

Fuel system

Fuel pump delivery pressure bar	0,2-0,27

Tightening torques

Cylinder head bolt torque

The cylinder head bolt torque for the Mazda 323 1.3 (1981–1985) is 78-82 Nm.

Cylinder head
Tighten	78-82 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	30-35 Nm
Main bearings Stage 2	60-70 Nm
Big end bearings Stage 1	15-17 Nm
Big end bearings Stage 2	30-35 Nm
Flywheel/driveplate	87 Nm/87 Nm
Crankshaft pulley/damper centre bolt	107-118 Nm
Spark plugs	15-23 Nm
Chassis tightening torques
Front hub	157-235 Nm
Road wheels	90-110 Nm

Frequently asked questions

What is the firing order of the Mazda 323 1.3?

The firing order for the Mazda 323 1.3 (1981–1985) is 1-3-4-2.

What spark plugs does the Mazda 323 1.3 use?

The Mazda 323 1.3 (1981–1985) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 323 1.3 take?

The Mazda 323 1.3 (1981–1985) takes 3.7 litres of engine oil with the filter. A listed engine oil option is SAE 10W-40 for moderate climates, with API/ACEA classification SG. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.

What are the valve clearances for the Mazda 323 1.3?

Valve clearances for the Mazda 323 1.3 (1981–1985) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.

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

The cylinder head bolt torque for the Mazda 323 1.3 (1981–1985) is 78-82 Nm.

What is the ignition timing for the Mazda 323 1.3?

Basic ignition timing for the Mazda 323 1.3 (1981–1985) is 6°±1° BTDC at 850 rpm.