Mazda1974–1979Technical specifications

818 1.3: Technical specifications

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

Summary

Match these figures to the vehicle’s VIN plate and service book before ordering parts.

Vehicle specifications

Overview

Make: Mazda
Model: 818
Years: 1974–1979
Fuel: Petrol

Performance & efficiency

Power: 44 kW (60 hp)
Engine size: 1,272 cc
Cylinders: 4 · OHC
Compression ratio: 9.2:1
Fuel system: Nikki

Fluids & capacities

Engine oil (with the filter): 3.0 litres

All 74 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/OHC
Capacity (Fiscal) cc	1272 (1263)
Compression ratio :1	9,2
Suitable for unleaded petrol	No
Minimum octane rating RON	91
Ignition system Type	SZ
Ignition system Description	CB
Fuel system Make	Nikki
Fuel system Description	Carb-FJ

Ignition system

Ballast resistance Ohm	1,6
Primary resistance Ohm	1,5
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 818 1.3 (1974–1979) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances for the Mazda 818 1.3 (1974–1979) 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 818 1.3 (1974–1979) takes 3.0 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-40 for moderate climates, with API/ACEA classification SG.

Manual gearbox

The manual gearbox has a listed capacity of 1.5 litres.

Coolant

The listed total cooling-system capacity is 6.5 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
Engine with filter(s) litres	3.0
Other lubricants and capacities
Manual transmission litres	1.5
Automatic transmission (drain & refill) litres	7.5
Differential rear litres	1.0
Cooling system - total capacity litres	6.5

Service & electrical

Ignition timing

Basic ignition timing for the Mazda 818 1.3 (1974–1979) is 11° BTDC at 600 rpm.

Ignition timing	Without vacuum
Ignition timing - basic BTDC °Engine/rpm	11/600

Battery

The Mazda 818 1.3 (1974–1979) uses a 12 V, 35 Ah battery (reserve capacity 55 minutes).

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

Spark plugs

The Mazda 818 1.3 (1974–1979) 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	Bosch
Spark plug Type	W7DC
Electrode gap mm	0,8
Spark plugs Make	Champion
Spark plug Type	RN7YCC
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	5-9/2000
Ignition advance checks °Engine/rpm	16-20/3200
Ignition advance checks °Engine/rpm	20-28/5500
Vacuum check	Ignition timing advances
Vacuum range °Engine	15-19
Vacuum starts mbar	160
Vacuum ends mbar	480
Idle speed rpm	600-650
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	1,5-2,5
HC level at idle speed ppm	500
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
Minimum starting voltage V	9,0
Maximum cranking amps A	95-116
Alternator Make	Mitsubishi
Regulated voltage V	13,5-14,5

Service checks and adjustments

Compression pressure bar	11,5
Oil pressure bar/rpm	3,5-4,5
Radiator cap bar	0,90
Thermostat opens °C	82-95
Drive belt size - alternator mm	9,5x800
Drive belt tension - alternator/PAS/AC mm	11-13

Fuel system

Fuel pump delivery pressure bar	0,1-0,15

Tightening torques

Cylinder head bolt torque

The cylinder head bolt torque for the Mazda 818 1.3 (1974–1979) is 70 Nm.

Cylinder head
Tighten	70 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Stage 1	32 Nm
Main bearings Stage 2	65 Nm
Big end bearings Stage 1	20 Nm
Big end bearings Stage 2	40 Nm
Flywheel/driveplate	85 Nm
Spark plugs	15-23 Nm
Chassis tightening torques
Road wheels	95 Nm

Frequently asked questions

What is the firing order of the Mazda 818 1.3?

The firing order for the Mazda 818 1.3 (1974–1979) is 1-3-4-2.

What spark plugs does the Mazda 818 1.3 use?

The Mazda 818 1.3 (1974–1979) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda 818 1.3 take?

The Mazda 818 1.3 (1974–1979) takes 3.0 litres of engine oil with the filter. The specified engine oil grade is SAE 10W-40 for moderate climates, with API/ACEA classification SG.

What are the valve clearances for the Mazda 818 1.3?

Valve clearances for the Mazda 818 1.3 (1974–1979) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.

What is the cylinder head torque for the Mazda 818 1.3?

The cylinder head bolt torque for the Mazda 818 1.3 (1974–1979) is 70 Nm.

What is the ignition timing for the Mazda 818 1.3?

Basic ignition timing for the Mazda 818 1.3 (1974–1979) is 11° BTDC at 600 rpm.