Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity (Fiscal) cc | 1490 (1479) |
| Compression ratio :1 | 9,0 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 91 |
| Ignition system Type | TSZ-i |
| Ignition system Description | Trans-i |
| Fuel system Make | Hitachi |
| Fuel system Description | Carb-2V |
Ignition system
| Ignition coil supply voltage + with ballast V | 11,0 |
|---|---|
| Primary resistance Ohm | 1,0-1,3 |
| Secondary resistance Ohm | 6000-30000 |
| Distributor (ECM) Make | Mitsubishi |
Firing order
The firing order for the Mazda 323 1.5 (1985–1987) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Mazda 323 1.5 (1985–1987) 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 1.5 (1985–1987) takes 3.3 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. The specified oil is SAE 80W-90.
Coolant
The listed total cooling-system capacity is 5.0 litres.
Grades, filling conditions and capacities
| 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 | 3.3 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 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 | 5.0 |
Service & electrical
Ignition timing
Basic ignition timing for the Mazda 323 1.5 (1985–1987) is 4°±1° BTDC at 850 rpm.
| Ignition timing | With vacuum |
|---|---|
| Ignition timing - basic BTDC °Engine/rpm | 4±1/850 |
Battery
The Mazda 323 1.5 (1985–1987) uses a 12 V, 35 Ah battery (reserve capacity 55 minutes).
| Battery V/RC(Ah) | 12/55 (35) |
|---|
Spark plugs
The Mazda 323 1.5 (1985–1987) 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 | 0/1200 |
| Ignition advance checks °Engine/rpm | 20/3500 |
| Ignition advance checks °Engine/rpm | 26/6000 |
| Vacuum check | Ignition timing advances |
| Vacuum range °Engine | 20 |
| Vacuum starts mbar | 160 |
| Vacuum ends mbar | 333 |
| Idle speed rpm | 850±50 |
| Oil temperature °C | 60 |
| CO level at idle speed - tailpipe Vol. % CO | 1,5-2,0 |
| CO level at idle speed - tailpipe (Cat) Vol. % CO | 2,0 Max |
| HC level at idle speed ppm | 300 |
| HC level at idle - alternative ppm | Cat=100 |
| 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 | 0,8kW |
| Minimum starting voltage V | 11,5 |
| Maximum cranking amps A | 95-116 |
| Alternator Make | Mitsubishi |
| Alternator Type | 12V 55A |
| Alternator output A/V/rpm | 60/13,5/3000 |
| Regulated voltage V | 14,4-15,0 |
Service checks and adjustments
| Compression pressure bar | 12,0 |
|---|---|
| Oil pressure bar/rpm | 3,4-4,4/3000 |
| Radiator cap bar | 0,75-1,05 |
| Thermostat opens °C | 82 |
| Drive belt size - alternator mm | 9,5x960 |
| Drive belt tension - alternator/PAS/AC mm | 13-14 |
Fuel system
| Fuel pump delivery pressure bar | 0,20-0,31 |
|---|
Tightening torques
Cylinder head bolt torque
The cylinder head bolt torque for the Mazda 323 1.5 (1985–1987) is 85-91 Nm.
| Cylinder head | |
|---|---|
| Tighten | 85-91 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Stage 1 | 32-35 Nm |
| Main bearings Stage 2 | 65-70 Nm |
| Big end bearings Stage 1 | 14-17 Nm |
| Big end bearings Stage 2 | 29-34 Nm |
| Flywheel/driveplate | 88-94 Nm |
| Crankshaft pulley/damper centre bolt | 107-118 Nm |
| Spark plugs | 14-23 Nm |
| Chassis tightening torques | |
| Front hub | 157-235 Nm |
| Road wheels | 90-120 Nm |
Frequently asked questions
What is the firing order of the Mazda 323 1.5?
The firing order for the Mazda 323 1.5 (1985–1987) is 1-3-4-2.
What spark plugs does the Mazda 323 1.5 use?
The Mazda 323 1.5 (1985–1987) uses NGK BPR6ES spark plugs with a 0,8 mm electrode gap.
How much oil does the Mazda 323 1.5 take?
The Mazda 323 1.5 (1985–1987) takes 3.3 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 1.5?
Valve clearances for the Mazda 323 1.5 (1985–1987) are 0,25 mm inlet and 0,30 mm exhaust, measured hot.
What is the cylinder head torque for the Mazda 323 1.5?
The cylinder head bolt torque for the Mazda 323 1.5 (1985–1987) is 85-91 Nm.
What is the ignition timing for the Mazda 323 1.5?
Basic ignition timing for the Mazda 323 1.5 (1985–1987) is 4°±1° BTDC at 850 rpm.