Mazda1995–2000Technical specifications

Xedos 9 2.3: Technical specifications

Workshop data for the 2.3-litre petrol (engine code KJ). 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 (KJ) to the vehicle before ordering parts or applying these figures.

Vehicle specifications

Overview

Make: Mazda
Model: Xedos 9
Years: 1995–2000
Fuel: Petrol
Engine code: KJ

Performance & efficiency

Power: 155 kW (211 hp)
Engine size: 2,255 cc
Cylinders: 6 · DOHC
Fuel system: Mazda

Fluids & capacities

Engine oil (with the filter): 4.1 litres

All 118 specifications below

Engine & identification

Vehicle identification

No. of cylinders Type	6/DOHC
Capacity (Fiscal) cc	2255
Compression ratio :1	10.0
Suitable for unleaded petrol	Yes
Minimum octane rating RON	95
Ignition system Make	Mazda
Ignition system Type	ESA
Ignition system Description	Map-DI
Trigger location	Distributor/Crankshaft
Fuel system Make	Mazda
Fuel system Type	VRIS
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

Firing order

The firing order for the Mazda Xedos 9 2.3 (1995–2000) is 1-2-3-4-5-6.

Firing order	1-2-3-4-5-6

Valve clearances

Valve clearances for the Mazda Xedos 9 2.3 (1995–2000) are 0,27-0,33 mm inlet and 0,27-0,33 mm exhaust, measured cold.

Valve clearance - INLET mm	0,27-0,33 cold
Valve clearance - EXHAUST mm	0,27-0,33 cold

Engine oil & fluids

Engine oil

The Mazda Xedos 9 2.3 (1995–2000) takes 4.1 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 2.0 litres. The specified oil is SAE 75W-90.

Coolant

The listed total cooling-system capacity is 7.5 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	4.1
Other lubricants and capacities
Manual transmission oil grade SAE	75W-90
Manual transmission litres	2.0
Automatic transmission fluid Type	Dexron II
Automatic transmission (drain & refill) litres	7.4
Cooling system - total capacity litres	7.5
Brake fluid Type	DOT 3
Power steering fluid Type	Dexron II
Power steering fluid litres	1.2

Brakes & wear limits

Brake disc thickness

Brake discs on the Mazda Xedos 9 2.3 (1995–2000) are replaced at a minimum thickness of 26 mm (ventilated) front and 7,5 mm rear.

Minimum disc thickness for replacement - ventilated Front	26 mm
Minimum disc thickness for replacement Rear	7,5 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	3-5

Service & electrical

Battery

The Mazda Xedos 9 2.3 (1995–2000) uses a 12 V, 75 Ah battery.

Battery V/RC(Ah)	12 (75)

Spark plugs

The Mazda Xedos 9 2.3 (1995–2000) uses NGK PZFR5F spark plugs with a 0,8 mm electrode gap.

Spark plugs Original equipment	NGK
Spark plug Type	PZFR5F
Electrode gap mm	0,8
Spark plugs Make	Bosch
Spark plug Type	FR7DP1X
Electrode gap mm	1,1
Spark plugs Make	Champion
Spark plug Type	RC9MCC4
Electrode gap mm	1,0
Spark plugs Make	NGK
Spark plug Type	PZFR5F
Electrode gap mm	0,8

Tuning and emissions

Ignition timing - basic BTDC °Engine/rpm	7±1/650±50 Not adjustable
Ignition advance checks °Engine/rpm	ECM Controlled
Idle speed rpm	650±50 Not adjustable
Oil temperature °C	80
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

Alternator output A/V/rpm	80/13,5/2000

Service checks and adjustments

Compression pressure bar	10,0 Min
Oil pressure bar/rpm	3,1-4,7/3000
Radiator cap bar	0,95-1,25
Thermostat opens °C	80-84

Fuel system

Fuel pump delivery pressure bar	6,4-8,2
System pressure bar	2,8-3,4
Regulated pressure with vacuum bar	2,1-3,4
Engine coolant temperature (ECT) sensor Ohm/°C	300-400/80
Injector Ohm	13,8
Lambda sensor (Oxygen) heater Ohm	6,0

Tightening torques

Cylinder head bolt torque

The cylinder head bolts on the Mazda Xedos 9 2.3 (1995–2000) are tightened in 2 stages: 13 Nm, then a final 26 Nm.

Cylinder head
Maximum bolt length	135 mm
Tighten	13 Nm
Tighten	26 Nm
Tighten	90±5 Nm
Tighten	90±5 Nm

Other engine tightening torques
Cylinder head instructions	—
Oil pump to cylinder block	20-25 Nm
Sump bolts	—
Sump bolts
Sump drain bolt	30-40 Nm
Flywheel/driveplate	64 Nm
Clutch pressure plate	18-26 Nm
Crankshaft pulley/damper centre bolt	157-166 Nm
Camshaft sprocket/gear	123-140 Nm
Camshaft carrier/cap	11-14 Nm
Camshaft/rocker cover	7-10 Nm
Inlet manifold to cylinder head	19-25 Nm
Exhaust manifold to cylinder head	16-22 Nm
Exhaust downpipe to manifold	38-50 Nm
Spark plugs	15-22 Nm
Crankshaft position (CKP) sensor/engine speed (RPM) sensor	8-11 Nm
Camshaft position (CMP) sensor	19-25 Nm
Engine coolant temperature (ECT) sensor	16-23 Nm
Lambda sensor (Oxygen)	30-49 Nm
Knock sensor (KS)	20-34 Nm
Chassis tightening torques
Front hub	236-318 Nm
Rear hub	177-235 Nm
Steering track rod end	55-80 Nm
Brake caliper to carrier Front	74 Nm
Brake caliper/carrier to hub Front	115 Nm
Brake caliper to carrier Rear	20 Nm
Brake caliper/carrier to hub Rear	60 Nm
ABS sensor Front	20 Nm
ABS sensor Rear	20 Nm
Road wheels	89-127 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±50
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 Xedos 9 2.3?

The firing order for the Mazda Xedos 9 2.3 (1995–2000) is 1-2-3-4-5-6.

What spark plugs does the Mazda Xedos 9 2.3 use?

The Mazda Xedos 9 2.3 (1995–2000) uses NGK PZFR5F spark plugs with a 0,8 mm electrode gap.

How much oil does the Mazda Xedos 9 2.3 take?

The Mazda Xedos 9 2.3 (1995–2000) takes 4.1 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 Xedos 9 2.3?

Valve clearances for the Mazda Xedos 9 2.3 (1995–2000) are 0,27-0,33 mm inlet and 0,27-0,33 mm exhaust, measured cold.

What is the cylinder head torque for the Mazda Xedos 9 2.3?

The cylinder head bolts on the Mazda Xedos 9 2.3 (1995–2000) are tightened in 2 stages: 13 Nm, then a final 26 Nm.

What is the minimum brake disc thickness for the Mazda Xedos 9 2.3?

Brake discs on the Mazda Xedos 9 2.3 (1995–2000) are replaced at a minimum thickness of 26 mm (ventilated) front and 7,5 mm rear.