Mazda1995–1999Technical specifications

MX-3 1.6: Technical specifications

Workshop data for the 1.6-litre petrol (engine code B6-DOHC). Covers engine, fluids, brakes, service, torques and air conditioning: the figures to check before a job or a parts order.

Summary

Match the engine code (B6-DOHC) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: MX-3
Years: 1995–1999
Fuel: Petrol
Engine code: B6-DOHC

Performance & efficiency

Power: 79 kW (107 hp)
Engine size: 1,597 cc
Cylinders: 4 · DOHC
Compression ratio: 9.0:1
Fuel system: Mazda

Fluids & capacities

Engine oil (with the filter): 3.2 litres

All 129 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	4/DOHC
Capacity (Fiscal) cc	1597
Compression ratio :1	9,0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	91
Ignition system Make	Mazda
Ignition system Type	ESA
Ignition system Description	Map-i
Trigger location	Distributor
Fuel system Make	Mazda
Fuel system Type	VICS
Fuel system Description	MFI-s
Air metering Type	Mass
Combined ignition and fuel ECM	Yes
Diagnostic socket	Yes

Ignition system

Ignition coil supply voltage + with ballast V	12,0
Primary resistance Ohm	0,49-0,73
Secondary resistance Ohm	20000-31000

Firing order

The firing order for the Mazda MX-3 1.6 (1995–1999) is 1-3-4-2.

Firing order	1-3-4-2

Valve clearances

Valve clearances on the Mazda MX-3 1.6 (1995–1999) 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 MX-3 1.6 (1995–1999) takes 3.2 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 SAE 75W-90.

Coolant

The listed total cooling-system capacity is 6.0 litres.

Grades, filling conditions and capacities

Lubricants and capacities — complete reference
Engine oil options
Ambient temperature range	➞0°C
Engine oil grade SAE	5W-30
Engine oil classification API/ACEA	SJ/A2
Ambient temperature range	-25°C➞
Engine oil grade SAE	10W-30
Engine oil classification API/ACEA	SJ/A2
Engine with filter(s) litres	3.2
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	2.7
Automatic transmission fluid Type	Dexron II
Automatic transmission (dry fill) litres	5.8
Cooling system - total capacity litres	6.0
Brake fluid Type	DOT 3
Power steering fluid Type	Dexron II
Power steering fluid litres	0.8

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda MX-3 1.6 (1995–1999) are replaced at a minimum thickness of 20 mm (ventilated) front and 7 mm rear.

Minimum disc thickness for replacement - ventilated Front	20 mm
Minimum disc thickness for replacement Rear	7 mm
Maximum drum diameter for replacement Rear	201 mm

Brake disc and drum dimensions

Disc runout Front	0,10 mm
Disc runout Rear	0,10 mm
Minimum pad thickness Front	2 mm
Minimum pad thickness Rear	2 mm
Parking brake travel No. of notches	5-7

Service & electrical

Ignition timing

Basic ignition timing for the Mazda MX-3 1.6 (1995–1999) is 10°±1° BTDC at 700 rpm.

Ignition timing and idle speed
Ignition timing - basic BTDC °Engine/rpm	10±1/700
Ignition timing - alternative °Engine/rpm	AT=10±1/750

Battery

The Mazda MX-3 1.6 (1995–1999) uses a 12 V, 60 Ah battery (reserve capacity 110 minutes).

Battery V/RC(Ah)	12/110 (60)

Spark plugs

The Mazda MX-3 1.6 (1995–1999) 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	APP3924
Electrode gap mm	1,0
Spark plugs Make	Bosch
Spark plug Type	FR7DCX
Electrode gap mm	1,1
Spark plugs Make	Champion
Spark plug Type	RC8YC4
Electrode gap mm	1,1
Spark plugs Make	NGK
Spark plug Type	BKR5E-11
Electrode gap mm	1,1

Tuning and emissions

Ignition timing and idle speed
Tuning conditions	—
View more information	—
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	700±50
Idle speed - alternative rpm	AT=750±50
Oil temperature °C	60
CO level at idle speed - tailpipe Vol. % CO	0,5 Max Not adjustable
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
Increased idle speed for CO test rpm	2500-2800
CO content at increased idle speed Vol. %	0,3
Lambda at increased idle λ	0,97-1,03

Starting and charging

Maximum cranking amps A	168-198
Alternator output A/V/rpm	70/14/3000

Service checks and adjustments

Compression pressure bar	9,8-12,8
Oil pressure bar/rpm	2,9-3,9/3000
Radiator cap bar	0,75-1,05
Thermostat opens °C	88
Drive belt tension - alternator/PAS/AC mm	6-7,5

Fuel system

Fuel pump delivery pressure bar	4,4-6,3
System pressure bar	2,6-3,2
Engine coolant temperature (ECT) sensor Ohm/°C	287-349/80
Injector Ohm	12,0-16,0
Idle air control (IAC) valve/idle speed control (ISC) actuator Ohm	10,7-12,3
Lambda sensor (Oxygen) heater Ohm	6,0

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda MX-3 1.6 (1995–1999) are tightened in 3 stages: 36-41 Nm, then 56-61 Nm, then a final 76-81 Nm.

Cylinder head
Renew bolts	No
Tighten	36-41 Nm
Tighten	56-61 Nm
Tighten	76-81 Nm

Other engine tightening torques
Cylinder head instructions	—
Main bearings Renew bolts/nuts	No
Main bearings Stage 1	25-30 Nm
Main bearings Stage 2	54-58 Nm
Big end bearings Renew bolts/nuts	No
Big end bearings Stage 1	20-25 Nm
Big end bearings Stage 2	48-50 Nm
Oil pump to cylinder block	20-25 Nm
Sump bolts	20-25 Nm
Sump drain bolt	30-40 Nm
Flywheel/driveplate	100 Nm/100 Nm
Clutch pressure plate	18-26 Nm
Crankshaft pulley/damper centre bolt	157-166 Nm
Camshaft sprocket/gear	50-60 Nm
Camshaft carrier/cap	11-14 Nm
Camshaft/rocker cover	5-9 Nm
Inlet manifold to cylinder head	20-25 Nm
Exhaust manifold to cylinder head	40-45 Nm
Spark plugs	15-22 Nm
Lambda sensor (Oxygen)	30-49 Nm
Chassis tightening torques
Front hub	235-319 Nm
Rear hub	177-235 Nm
Steering track rod end	42-57 Nm
Brake caliper/carrier to hub Front	54 Nm
Brake caliper to carrier Rear	53 Nm
Brake caliper/carrier to hub Rear	52 Nm
Back plate to hub Rear	45-60 Nm
ABS sensor Front	20 Nm
ABS sensor Rear	20 Nm
Road wheels	88-118 Nm

Air conditioning

No. of AC service connectors	2
Air conditioning restrictor type	Expansion valve
Compressor clutch/magnetic coupling	Yes
Compressor variable displacement solenoid	No
Air conditioning refrigerant Type	R134a
Air conditioning refrigerant quantity grams	750
Air conditioning oil group	PAG
Air conditioning oil Type	Atmos GU 10
Air conditioning oil quantity cm³	175
Air conditioning oil viscosity ISO	46

Frequently asked questions

What is the firing order of the Mazda MX-3 1.6?

The firing order for the Mazda MX-3 1.6 (1995–1999) is 1-3-4-2.

What spark plugs does the Mazda MX-3 1.6 use?

The Mazda MX-3 1.6 (1995–1999) uses Denso K16PR-U11 spark plugs with a 1,1 mm electrode gap.

How much oil does the Mazda MX-3 1.6 take?

The Mazda MX-3 1.6 (1995–1999) takes 3.2 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 MX-3 1.6?

Valve clearances on the Mazda MX-3 1.6 (1995–1999) are hydraulic — they self-adjust, so no manual clearance figure applies.

What is the cylinder head torque for the Mazda MX-3 1.6?

The cylinder head bolts on the Mazda MX-3 1.6 (1995–1999) are tightened in 3 stages: 36-41 Nm, then 56-61 Nm, then a final 76-81 Nm.

What is the ignition timing for the Mazda MX-3 1.6?

Basic ignition timing for the Mazda MX-3 1.6 (1995–1999) is 10°±1° BTDC at 700 rpm.