Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity (Fiscal) cc | 1789 (1776) |
| Compression ratio :1 | 8,6 |
| Suitable for unleaded petrol | Yes |
| Minimum octane rating RON | 91 |
| Ignition system Type | SZ |
| Ignition system Description | CB |
| Fuel system Make | Hitachi |
| Fuel system Description | Carb-2V |
| Diagnostic socket | No |
Ignition system
| Ignition coil Make | Hanshin |
|---|---|
| Ignition coil supply voltage + with ballast V | 11,0 |
| Primary resistance Ohm | 3,1 |
| Secondary resistance Ohm | 7200-10800 |
| 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 E Series 1.8 (1984–1987) is 1-3-4-2.
| Firing order | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Mazda E Series 1.8 (1984–1987) 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 E Series 1.8 (1984–1987) takes 4.5 litres of engine oil with the filter.
A listed engine oil option is SAE 20W-40 for moderate climates, with API/ACEA classification SE.
A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.
Manual gearbox
See the reference table for the complete manual gearbox entries and their conditions.
Coolant
The listed total cooling-system capacity is 7.0 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | Moderate climate |
| Engine oil grade SAE | 20W-40 |
| Engine oil classification API/ACEA | SE |
| Ambient temperature range | Moderate climate alternative |
| Engine oil grade SAE | 20W-50 |
| Engine with filter(s) litres | 4.5 |
| Other lubricants and capacities | |
| Manual transmission litres | 1,4/1,7 |
| Differential rear litres | 1.3-1.6 |
| Cooling system - total capacity litres | 7.0 |
Service & electrical
Ignition timing
Basic ignition timing for the Mazda E Series 1.8 (1984–1987) is 6°±1° BTDC at 800 rpm.
| Ignition timing | With vacuum |
|---|---|
| Ignition timing - basic BTDC °Engine/rpm | 6±1/800 |
Battery
The Mazda E Series 1.8 (1984–1987) uses a 12 V, 60 Ah battery (reserve capacity 90 minutes).
| Battery V/RC(Ah) | 12/90 (60) |
|---|
Spark plugs
The Mazda E Series 1.8 (1984–1987) uses NGK BPR5ES spark plugs with a 0,8 mm electrode gap.
| Spark plugs Original equipment | NGK |
|---|---|
| Spark plug Type | BPR5ES |
| 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 | BPR5ES |
| Electrode gap mm | 0,8 |
Tuning and emissions
| Ignition advance | Without vacuum and basic timing |
|---|---|
| Ignition advance checks °Engine/rpm | 0-1/1200 |
| Ignition advance checks °Engine/rpm | 22-26/4540 |
| Vacuum check | Ignition timing advances |
| Vacuum range °Engine | 0-8,5 |
| Vacuum starts mbar | 80 |
| Vacuum ends mbar | 240 |
| Idle speed rpm | 800-850 |
| Oil temperature °C | 60 |
| CO level at idle speed - tailpipe Vol. % CO | 2,0±0,5 |
| 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-0,8kW |
| Minimum starting voltage V | 11,5 |
| Maximum cranking amps A | 162-198 |
| Alternator Make | Mitsubishi |
| Regulated voltage V | 14,4-15,0 |
Service checks and adjustments
| Compression pressure bar | 11,5 |
|---|---|
| Oil pressure bar/rpm | 3-4/3000 |
| Radiator cap bar | 0,75-1,05 |
| Thermostat opens °C | 86,5-89,5 |
| Drive belt tension - alternator/PAS/AC mm | 7-8 |
Fuel system
| Fuel pump delivery pressure bar | 0,2-0,3 |
|---|
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Mazda E Series 1.8 (1984–1987) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.
| Cylinder head | |
|---|---|
| Tighten | 20-26 Nm |
| Tighten | 50-56 Nm |
| Tighten | 80-86 Nm |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 41 Nm |
| Main bearings Stage 2 | 82-88 Nm |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 33 Nm |
| Big end bearings Stage 2 | 65-69 Nm |
| Sump bolts | 7-11 Nm |
| Sump drain bolt | 30-41 Nm |
| Flywheel/driveplate | 98-105 Nm |
| Crankshaft pulley/damper centre bolt | 108-116 Nm |
| Camshaft sprocket/gear | 47-65 Nm |
| Camshaft carrier/cap | 18-26 Nm |
| Camshaft/rocker cover | 6-8 Nm |
| Spark plugs | 15-23 Nm |
| Chassis tightening torques | |
| Road wheels | 90-120 Nm |
Frequently asked questions
What is the firing order of the Mazda E Series 1.8?
The firing order for the Mazda E Series 1.8 (1984–1987) is 1-3-4-2.
What spark plugs does the Mazda E Series 1.8 use?
The Mazda E Series 1.8 (1984–1987) uses NGK BPR5ES spark plugs with a 0,8 mm electrode gap.
How much oil does the Mazda E Series 1.8 take?
The Mazda E Series 1.8 (1984–1987) takes 4.5 litres of engine oil with the filter. A listed engine oil option is SAE 20W-40 for moderate climates, with API/ACEA classification SE. A listed engine oil option is SAE 20W-50 as an alternative for moderate climates.
What are the valve clearances for the Mazda E Series 1.8?
Valve clearances for the Mazda E Series 1.8 (1984–1987) are 0,30 mm inlet and 0,30 mm exhaust, measured hot.
What is the cylinder head torque for the Mazda E Series 1.8?
The cylinder head bolts on the Mazda E Series 1.8 (1984–1987) are tightened in 3 stages: 20-26 Nm, then 50-56 Nm, then a final 80-86 Nm.
What is the ignition timing for the Mazda E Series 1.8?
Basic ignition timing for the Mazda E Series 1.8 (1984–1987) is 6°±1° BTDC at 800 rpm.