Engine & identification
Vehicle identification
| No. of cylinders Type | 4/OHC |
|---|---|
| Capacity cc | 1720 |
| Compression ratio :1 | 22 |
Injection system
| Fuel/injection pump assembly Make | Kiki |
|---|---|
| Fuel/injection pump assembly Type | VE |
| Fuel/injection pump assembly Part No. | 104749-0293 |
| Injector nozzle Make | Bosch Kiki |
| Nozzle opening pressure - new/used bar | 117/105 |
| Leak rate (dribble) bar/secs | 98/10 |
Injection sequence
The injection sequence for the Mazda 323 1.7 (1990) is 1-3-4-2.
| Injection sequence | 1-3-4-2 |
|---|
Valve clearances
Valve clearances for the Mazda 323 1.7 (1990) are 0,15 mm inlet and 0,25 mm exhaust, measured cold.
| Valve clearance - INLET mm | 0,15 cold |
|---|---|
| Valve clearance - EXHAUST mm | 0,25 cold |
Engine oil & fluids
Engine oil
The Mazda 323 1.7 (1990) takes 3.5 litres of engine oil with the filter.
A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 20W-20 as an alternative for moderate climates, with API/ACEA classification CF/B2.
A listed engine oil option is SAE 15W-40 for hot climates, with API/ACEA classification CF/B2.
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 6.0 litres.
Grades, filling conditions and capacities
| Engine oil options | |
|---|---|
| Ambient temperature range | Cold climate |
| Engine oil grade SAE | 5W-30 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Moderate climate |
| Engine oil grade SAE | 10W-30 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Moderate climate alternative |
| Engine oil grade SAE | 20W-20 |
| Engine oil classification API/ACEA | CF/B2 |
| Ambient temperature range | Hot climate |
| Engine oil grade SAE | 15W-40 |
| Engine oil classification API/ACEA | CF/B2 |
| Engine with filter(s) litres | 3.5 |
| Other lubricants and capacities | |
| Manual transmission oil grade SAE | 80W-90 |
| Manual transmission litres | 3.2 |
| Automatic transmission fluid Type | Dexron II |
| Automatic transmission (dry fill) litres | 5.7 |
| Cooling system - total capacity litres | 6.0 |
Brakes & wear limits
Brake disc thickness
Brake discs on the Mazda 323 1.7 (1990) are replaced at a minimum thickness of 16 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.
| Minimum disc thickness for replacement - ventilated Front | 16 mm |
|---|---|
| Maximum drum diameter for replacement Rear | 201 mm |
Brake disc and drum dimensions
| Disc runout Front | 0,10 mm |
|---|---|
| Minimum pad thickness Front | 1 mm |
| Minimum shoe thickness Rear | 1 mm |
| Parking brake travel No. of notches | 7-11 |
Service & electrical
Battery
The Mazda 323 1.7 (1990) uses a 12 V, 50 Ah battery (reserve capacity 80 minutes).
| Battery V/RC(Ah) | 12/80 (50) |
|---|
Glow plugs
Glow plugs for the Mazda 323 1.7 (1990): Bosch 9 443 610 298, Champion CH97 and Lucas/CAV HDS241.
| Glow plug - part no. Bosch | 9 443 610 298 |
|---|---|
| Glow plug - part no. Champion | CH97 |
| Glow plug - part no. Lucas/CAV | HDS241 |
Tuning and emissions
| Plunger travel (pump) mm ABDC | 0,98-1,02 |
|---|---|
| Crankshaft position (n = ATDC) °BTDC | 2 n |
| Adjusting method Engine/Pump | Pointer/Dial gauge |
| Dynamic timing v = BTDC, n = ATDC | v |
| - Time Trac Stanadyne, Snap-on °/rpm | 12/850 |
| Idle speed rpm | 800-830 |
| Rated no load speed rpm | 5600 |
| Oil temperature °C | 60 |
| Idle speed - for smoke test rpm | 800-830 |
| Governed speed range - for smoke test rpm | 5200-5400 |
| Maximum time at governed speed secs | 1,0 |
| Test mode A/B | B |
| Probe type 1/2 | 1 |
| Smoke opacity - EU limit m-1 (%) | 2,50 (66) |
Starting and charging
| Starter motor Make | Mitsubishi |
|---|---|
| Starter motor Type | 1,4 kW |
| Maximum cranking amps A | 135-165 |
| Alternator Make | Mitsubishi |
| Alternator output A/V/rpm | 43/14,7/2500 |
| Regulated voltage V | 14,2-15,2 |
Service checks and adjustments
| Compression pressure bar | 29,0 |
|---|---|
| Oil pressure bar/rpm | 3,0/3000 |
| Radiator cap bar | 0,75-1,05 |
| Thermostat opens °C | 85 |
| Drive belt size - alternator mm | 12,5x875 |
| Drive belt tension - alternator/PAS/AC mm | 10-10,5/16-19 |
| Drive belt tension - AC mm | 6-7 |
Tightening torques
Cylinder head bolt torque
The cylinder head bolts on the Mazda 323 1.7 (1990) are tightened in 3 stages: 29 Nm, then 90°, then a final 90°.
| Cylinder head | |
|---|---|
| Maximum bolt length | 114,5 mm |
| Tighten | 29 Nm |
| Tighten | 90° |
| Tighten | 90° |
| Cylinder head instructions | — |
|---|---|
| Other engine tightening torques | |
| Main bearings Renew bolts/nuts | No |
| Main bearings Stage 1 | 35 Nm |
| Main bearings Stage 2 | 70 Nm |
| Big end bearings Renew bolts/nuts | No |
| Big end bearings Stage 1 | 15 Nm |
| Big end bearings Stage 2 | 90° |
| Oil pump to cylinder block | 19-25 Nm |
| Sump bolts | 10 Nm |
| Sump drain bolt | 29-41 Nm |
| Flywheel/driveplate | 67-76 Nm |
| Clutch pressure plate | 18-26 Nm |
| Crankshaft pulley/damper centre bolt | 78-88 Nm |
| Camshaft sprocket/gear | 39-54 Nm |
| Camshaft carrier/cap | 18-26 Nm |
| Camshaft/rocker cover | 7-10 Nm |
| Inlet manifold to cylinder head | 22-28 Nm |
| Exhaust manifold to cylinder head | 22-28 Nm |
| Injector/clamp | 59-69 Nm |
| Injector pipe unions | 26-33 Nm |
| Fuel/injection pump sprocket/gear | 59-69 Nm |
| Fuel/injection pump flange | 19-25 Nm |
| Fuel/injection pump mounting | 19-25 Nm |
| Glow plugs | 15-20 Nm |
| Chassis tightening torques | |
| Front hub | 157-235 Nm |
| Steering track rod end | 29-44 Nm |
| Brake caliper/carrier to hub Front | 44 Nm |
| Road wheels | 90-120 Nm |
Air conditioning
| Air conditioning refrigerant Type | R12 |
|---|---|
| Air conditioning refrigerant quantity grams | 750±50 |
Frequently asked questions
What is the injection sequence of the Mazda 323 1.7?
The injection sequence for the Mazda 323 1.7 (1990) is 1-3-4-2.
What glow plugs does the Mazda 323 1.7 use?
Glow plugs for the Mazda 323 1.7 (1990): Bosch 9 443 610 298, Champion CH97 and Lucas/CAV HDS241.
How much oil does the Mazda 323 1.7 take?
The Mazda 323 1.7 (1990) takes 3.5 litres of engine oil with the filter. A listed engine oil option is SAE 5W-30 for cold climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 10W-30 for moderate climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 20W-20 as an alternative for moderate climates, with API/ACEA classification CF/B2. A listed engine oil option is SAE 15W-40 for hot climates, with API/ACEA classification CF/B2.
What are the valve clearances for the Mazda 323 1.7?
Valve clearances for the Mazda 323 1.7 (1990) are 0,15 mm inlet and 0,25 mm exhaust, measured cold.
What is the cylinder head torque for the Mazda 323 1.7?
The cylinder head bolts on the Mazda 323 1.7 (1990) are tightened in 3 stages: 29 Nm, then 90°, then a final 90°.
What is the minimum brake disc thickness for the Mazda 323 1.7?
Brake discs on the Mazda 323 1.7 (1990) are replaced at a minimum thickness of 16 mm (ventilated) front; the rear brake drums are replaced at a maximum diameter of 201 mm.