Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity (Fiscal) cc | 1597 (1585) |
| Compression ratio :1 | 9,2 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 91 |
| Ignition system Type | TSZ-i |
| Ignition system Description | Trans-i |
| Trigger location | Distributor |
| Fuel system Make | Hitachi |
| Fuel system Description | Carb-2V |
| Air metering Type | Flow |
| Diagnostic socket | Yes |
Ignition system
| Ignition coil Make | Hanshin |
|---|---|
| Ignition coil supply voltage + with ballast V | 11,0 |
| Primary resistance Ohm | 0,77-0,95 |
| Secondary resistance Ohm | 10000-16000 |
Firing order
The firing order for the Mazda 323 1.6 16V (1989–1993) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances on the Mazda 323 1.6 16V (1989–1993) are hydraulic — they self-adjust, so no manual clearance figure applies.
| Valve clearance - INLET mm | Hydraulic |
|---|---|
| Valve clearance - EXHAUST mm | Hydraulic |
Engine oil & fluids
Engine oil
The Mazda 323 1.6 16V (1989–1993) takes 3.4 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
| 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 | 3.4 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | Dexron II |
| Manual transmission litres | 2.7 |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (drain & refill) litres | 5.8 |
| Cooling system - total capacity litres | 5,0 AT=6,0 |
| Brake fluid Type | DOT 3/4 |
| Power steering fluid Type | Dexron II |
| Power steering fluid litres | 0.8 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 323 1.6 16V (1989–1993) are replaced at a minimum thickness of 16 mm (ventilated) front and 7 mm rear.
| Minimum disc thickness for replacement - ventilated Front | 16 mm |
|---|---|
| Minimum disc thickness | |
| 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
Battery
The Mazda 323 1.6 16V (1989–1993) uses a 12 V, 45 Ah battery (reserve capacity 55 minutes).
| Battery V/RC(Ah) | 12/55 (45) |
|---|
Spark plugs
The Mazda 323 1.6 16V (1989–1993) uses Denso K16PR-U11 spark plugs with a 1,1 mm electrode gap.
| Spark plugs Original equipment | Denso |
|---|---|
| Spark plug Type | K16PR-U11 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | Autolite |
| Spark plug Type | 3923 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | Beru |
| Spark plug Type | 14FR-7DUX |
| Electrode gap mm | 1,1 |
| Spark plugs Make | Bosch |
| Spark plug Type | FR7DC |
| Electrode gap mm | 0,8 |
| Spark plugs Make | Champion |
| Spark plug Type | RC9YCC4 |
| Electrode gap mm | 1,1 |
| Spark plugs Make | NGK |
| Spark plug Type | BKR5E-11 |
| Electrode gap mm | 1,1 |
Tuning and emissions
| Tuning conditions | — |
|---|---|
| View more information | — |
| CO level - Cat | |
| Ignition timing | Without vacuum |
| Ignition timing - basic BTDC °Engine/rpm | 4±1/850±50 |
| Ignition timing - alternative °Engine/rpm | AT=4±1/1000 |
| Ignition advance | Without vacuum and basic timing |
| Ignition advance checks °Engine/rpm | 0-2/1200 |
| Ignition advance checks °Engine/rpm | 13-17/2700 |
| Ignition advance checks °Engine/rpm | 22-26/6000 |
| 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 |
| Oil temperature °C | 60 |
| CO level at idle speed - tailpipe Vol. % CO | 0,5 Max |
| CO level at idle speed - sample pipe Vol. % CO | 1,0-2,0 |
| HC level at idle speed ppm | 100 |
| CO2 level at idle speed Vol. % CO2 | 14,5-16 |
| O2 level at idle speed Vol. % O2 | 0,1-0,5 |
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 | 12-65 |
| Alternator output A/V/rpm | 60/13,5/3000 |
| Voltage regulator Type | I.C. |
| Regulated voltage V | 14,1-14,7 |
Service checks and adjustments
| Compression pressure bar | 7,9-11,3 |
|---|---|
| Oil pressure bar/rpm | 3-4/3000 |
| Radiator cap bar | 0,70-1,00 |
| Thermostat opens °C | 80-83 |
| Drive belt tension - alternator/PAS/AC mm | 9,0-10,0 |
Fuel system
| Fuel pump delivery pressure bar | 0,28-0,35 |
|---|---|
| System pressure bar | 2,7-3,2 |
| Regulated pressure with vacuum bar | 2,1-2,6 |
| Engine coolant temperature (ECT) sensor Ohm/°C | 290-350/80 |
| Injector Ohm | 12,0-16,0 |
| Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm | 11,0-13,0 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Mazda 323 1.6 16V (1989–1993) 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 |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| 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 | 25 Nm |
| Big end bearings Stage 2 | 50-55 Nm |
| Oil pump to cylinder block | 20-25 Nm |
| Sump bolts | 10 Nm |
| Sump drain bolt | 30-45 Nm |
| Flywheel/driveplate | 96-103 Nm |
| Clutch pressure plate | 18-26 Nm |
| Crankshaft pulley/damper centre bolt | 12-17 Nm/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 |
| Exhaust downpipe to manifold | 31-46 Nm |
| Water pump | 19-25 Nm |
| Spark plugs | 15-23 Nm |
| Engine coolant temperature (ECT) sensor | 6-9 Nm |
| Engine oil pressure switch | 12-18 Nm |
| Chassis tightening torques | |
| Front hub | 157-235 Nm |
| Rear hub | — |
| Rear hub | |
| Steering rack/box mounting | 37-52 Nm |
| Steering track rod end | 42-57 Nm |
| Brake caliper/carrier to hub Front | 45 Nm |
| Brake caliper to carrier Rear | 16-24 Nm |
| Brake caliper/carrier to hub Rear | 45-59 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 | 110±10 |
Frequently asked questions
What is the firing order of the Mazda 323 1.6 16V?
The firing order for the Mazda 323 1.6 16V (1989–1993) is 1-3-4-2.
What spark plugs does the Mazda 323 1.6 16V use?
The Mazda 323 1.6 16V (1989–1993) uses Denso K16PR-U11 spark plugs with a 1,1 mm electrode gap.
How much oil does the Mazda 323 1.6 16V take?
The Mazda 323 1.6 16V (1989–1993) takes 3.4 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 1.6 16V?
Valve clearances on the Mazda 323 1.6 16V (1989–1993) are hydraulic — they self-adjust, so no manual clearance figure applies.
What is the cylinder head torque for the Mazda 323 1.6 16V?
The cylinder head bolts on the Mazda 323 1.6 16V (1989–1993) are tightened in 3 stages: 20-30 Nm, then 40-60 Nm, then a final 76-81 Nm.
What is the minimum brake disc thickness for the Mazda 323 1.6 16V?
Brake discs on the Mazda 323 1.6 16V (1989–1993) are replaced at a minimum thickness of 16 mm (ventilated) front and 7 mm rear.