ENGINE TECHNICAL DATA [ZY, Z6]

id0150a0800100

Item

Specification

Idle speed (MTX: Neutral position, ATX: P, N position)

European (L.H.D. U.K.) specs. and Saudi Arabia: 700—800 rpm (ATX), 600—700 rpm (MTX)

General (L.H.D. R.H.D.) specs. (Except for Saudi Arabia): 700—800 rpm (ATX), 640—740 rpm (MTX)

Idle speed (CVT: P, N position)

600—700 rpm

Ignition timing

MTX: Approx. BTDC 7°

ATX, CVT: Approx. BTDC 8°

Idle mixture

HC concentration: Within the regulation

CO concentration: Within the regulation

Valve clearance [Engine cold]

IN: 0.27—0.33 mm {0.0107—0.0129 in}

EX: 0.27—0.33 mm {0.0107—0.0129 in}

Compression [ZY]

Standard: 1,520 kPa {15.50 kgf/cm², 220.5 psi}[300 rpm]

Minimum: 1,064 kPa {10.85 kgf/cm², 154.3 psi}[300 rpm]

Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} or less

Compression [Z6]

Standard: 1,470 kPa {14.99 kgf/cm², 213.2 psi}[250 rpm]

Minimum: 1,029 kPa {10.49 kgf/cm², 149.2 psi}[250 rpm]

Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} or less

OCV coil resistance

6.9—7.9 ohms [20°C {68°F}]

Cylinder head bolt length

Standard: 128.9—129.5 mm {5.075—5.098 in}

Maximum: 130.2 mm {5.125 in}

Pushing distance of the front oil seal (from the edge of the engine front cover)

0—0.5 mm {0—0.019 in}

Pushing distance of the rear oil seal (from the edge of the cylinder block)

0—0.5 mm {0—0.019 in}

Engine oil capacity (approx. quantity)

Oil replacement: 3.7 L {3.9 US qt, 3.3 Imp qt}

Oil and oil filter replacement: 3.9 L {4.1 US qt, 3.4 Imp qt}

Total (dry engine): 4.2 L {4.4 US qt, 3.7 Imp qt}

Oil pressure (reference value) [oil temperature: 100 °C {212 °F}]

330—380 kPa {3.36—3.87 kgf/cm², 47.8—55.0 psi} [3,000 rpm]

Oil pump rotor tip clearance

Standard: 0.02—0.18 mm {0.0008—0.0070 in}

Maximum: 0.20 mm {0.0079 in}

Oil pump rotor body clearance

Standard: 0.090—0.175 mm {0.0036—0.0068 in}

Maximum: 0.20 mm {0.0079 in}

Oil pump rotor side clearance

Standard: 0.030—0.070 mm {0.0012—0.0027 in}

Maximum: 0.09 mm {0.004 in}

Oil pump plunger spring free length

45.94 mm {1.809 in}

Engine coolant capacity (approx. quantity)

6.0 L {6.3 US qt, 5.3 Imp qt}

Cooling system cap valve opening pressure

90—110 kPa {0.92—1.12 kgf/cm², 14.0—15.9 psi}

Thermostat initial-opening temperature

80—84 °C {176—183 °F}

Thermostat full-open temperature

95 °C {203 °F}

Thermostat full-open lift

More than 8.5 mm {0.33 in}

Cooling fan motor standard current [12 V]

No.1: 3.7—6.7 A

No.2: 6.1—9.1 A

Fuel pressure

350—430 kPa {3.57—4.38 kgf/cm², 50.8—62.3 psi}

Fuel hold pressure

210 kPa {2.14 kgf/cm², 30.5 psi} or more

Fuel injector resistance

Approx. 12.0 ohms [20 °C {68 °F}]

Battery electrolyte specific gravity [20 °C {68 °F}]

1.22—1.29

Battery load test current

50D20L (40 A·h/5HR, 45 A·h/20HR): 150 A

50D20L (40 A·h/5HR, 50 A·h/20HR): 150 A

75D23L (52 A·h/5HR, 65 A·h/20HR): 195 A

Battery parasitic draw (When the ignition is off (key is removed), all doors and the bonnet are closed.)

Vehicle with immobilizer system: 40—65 mA

Vehicle without immobilizer system: 40—55 mA

Battery slow charge current

50D20L (40 A·h/5HR, 45 A·h/20HR): 4.0—5.0 A

50D20L (40 A·h/5HR, 50 A·h/20HR): 4.0—5.0 A

75D23L (52 A·h/5HR, 65 A·h/20HR): 5.0—6.0 A

Battery quick charge current [30 min]

50D20L (40 A·h/5HR, 45 A·h/20HR): 25 A

50D20L (40 A·h/5HR, 50 A·h/20HR): 25 A

75D23L (52 A·h/5HR, 65 A·h/20HR): 35 A

Generator standard voltage [IG-ON]

Terminal B: B+

Terminal P: Approx. 1 V or less

Terminal D: Approx. 0 V

Generator standard voltage [Idle, 20 °C {68 °F}]

Terminal B: 13—15 V

Terminal P: Approx. 3—8 V

Terminal D: Turn the electrical loads (headlights, blower motor, rear window defroster, brake light, etc.) on and verify that the voltage reading increases.

Generator generated current minimum value [Z6]

European (L.H.D. U.K.) specs. (Except for Israel): 70% of the nominal output current (nominal output current: 100 A)

General (L.H.D. R.H.D.) specs., Israel, China: 70% of the nominal output current (nominal output current: 90 A)

[Ambient temp. 20 °C {68 °F}, voltage 13.0—15.0 V, both engine and generator are hot]

Generator rotor resistance (between slip rings) [20 °C {68 °F}] [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]

1.9—2.2 ohms

Generator brush length [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]

Standard: 22.5 mm {0.886 in}

Minimum: 5.0 mm {0.20 in}

Generator brush spring force [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]

Standard: 4.1—5.3 N {0.42—0.54 kgf, 1.0—1.1 lbf}

Minimum: 1.7 N {0.17 kgf, 0.38 lbf}

Generator rotor resistance (between slip rings) [20 °C {68 °F}] [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]

2.1—2.5 ohm

Generator brush length [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]

Standard: 18.5 mm {0.728 in}

Minimum: 5.0 mm {0.20 in}

Generator brush spring force [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]

Standard: 4.8—6.0 N {0.49—0.61 kgf, 1.1—1.3 lbf}

Minimum: 2.16 N {0.220 kgf, 0.486 lbf}

Firing order

1-3-4-2 (all cylinders independent firing)

Spark plug type

Z6 (European (L.H.D. U.K.) specs. (Except for Russia and Israel)):

ZJ46 18110, ZJY6 18110 (iridium spark plug), Z6B7 18110

Z6 (General (L.H.D. R.H.D.) specs., Russia, Israel, China):

BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BP13 18110A, BPY1 18110, BPY2 18110

ZY: ZY51 18110, ZYY1 18110 (iridium spark plug)

Spark plug gap

ZJ46 18110, ZJY6 18110

Standard: 1.2—1.4 mm {0.047—0.055 in}

New spark plug (reference): 1.2—1.3 mm {0.047—0.051 in}

BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BP13 18110A, BPY1 18110, BPY2 18110

Standard: 1.0—1.2 mm {0.039—0.047 in}

New spark plug (reference): 1.0—1.1 mm {0.039—0.043 in}

ZY51 18110, ZYY1 18110

Standard: 1.0—1.3 mm {0.039—0.051 in}

New spark plug (reference): 1.0—1.1 mm {0.039—0.043 in}

Z6B7 18110

Standard: 1.2—1.3 mm {0.048—0.051 in}

Spark plug resistance [25°C {77 °F}]

ZJ46 18110, ZJY6 18110, BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BPY1 18110, BPY2 18110, ZY51 18110, ZYY1 18110: 3.0—7.5 kilohms

BP13 18110A: 5.0—15.0 kilohms

Starter no-load test voltage

11 V

Starter no-load test current

95 A or less

Starter pinion gap

0.5—2.0 mm {0.02—0.07 in}

Starter armature runout

0.1 mm {0.004 in} max.

Starter commutator diameter

Standard: 29.4 mm {1.16 in}

Minimum: 28.8 mm {1.13 in}

Segment groove depth of starter commutator

Standard: 0.5 mm {0.02 in}

Minimum: 0.2 mm {0.008 in}

Starter brush length

Standard: 12.3 mm {0.484 in}

Minimum: 5.5 mm {0.22 in}

Starter brush spring force

Standard: 15.0—20.4 N {1.53—2.08 kgf, 3.38—4.58 lbf}

Minimum: 2.75 N {0.280 kgf, 0.618 lbf}

Item	Specification
Idle speed (MTX: Neutral position, ATX: P, N position)	European (L.H.D. U.K.) specs. and Saudi Arabia: 700—800 rpm (ATX), 600—700 rpm (MTX) General (L.H.D. R.H.D.) specs. (Except for Saudi Arabia): 700—800 rpm (ATX), 640—740 rpm (MTX)
Idle speed (CVT: P, N position)	600—700 rpm
Ignition timing	MTX: Approx. BTDC 7° ATX, CVT: Approx. BTDC 8°
Idle mixture	HC concentration: Within the regulation CO concentration: Within the regulation
Valve clearance [Engine cold]	IN: 0.27—0.33 mm {0.0107—0.0129 in} EX: 0.27—0.33 mm {0.0107—0.0129 in}
Compression [ZY]	Standard: 1,520 kPa {15.50 kgf/cm², 220.5 psi}[300 rpm] Minimum: 1,064 kPa {10.85 kgf/cm², 154.3 psi}[300 rpm] Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} or less
Compression [Z6]	Standard: 1,470 kPa {14.99 kgf/cm², 213.2 psi}[250 rpm] Minimum: 1,029 kPa {10.49 kgf/cm², 149.2 psi}[250 rpm] Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} or less
OCV coil resistance	6.9—7.9 ohms [20°C {68°F}]
Cylinder head bolt length	Standard: 128.9—129.5 mm {5.075—5.098 in} Maximum: 130.2 mm {5.125 in}
Pushing distance of the front oil seal (from the edge of the engine front cover)	0—0.5 mm {0—0.019 in}
Pushing distance of the rear oil seal (from the edge of the cylinder block)	0—0.5 mm {0—0.019 in}
Engine oil capacity (approx. quantity)	Oil replacement: 3.7 L {3.9 US qt, 3.3 Imp qt} Oil and oil filter replacement: 3.9 L {4.1 US qt, 3.4 Imp qt} Total (dry engine): 4.2 L {4.4 US qt, 3.7 Imp qt}
Oil pressure (reference value) [oil temperature: 100 °C {212 °F}]	330—380 kPa {3.36—3.87 kgf/cm², 47.8—55.0 psi} [3,000 rpm]
Oil pump rotor tip clearance	Standard: 0.02—0.18 mm {0.0008—0.0070 in} Maximum: 0.20 mm {0.0079 in}
Oil pump rotor body clearance	Standard: 0.090—0.175 mm {0.0036—0.0068 in} Maximum: 0.20 mm {0.0079 in}
Oil pump rotor side clearance	Standard: 0.030—0.070 mm {0.0012—0.0027 in} Maximum: 0.09 mm {0.004 in}
Oil pump plunger spring free length	45.94 mm {1.809 in}
Engine coolant capacity (approx. quantity)	6.0 L {6.3 US qt, 5.3 Imp qt}
Cooling system cap valve opening pressure	90—110 kPa {0.92—1.12 kgf/cm², 14.0—15.9 psi}
Thermostat initial-opening temperature	80—84 °C {176—183 °F}
Thermostat full-open temperature	95 °C {203 °F}
Thermostat full-open lift	More than 8.5 mm {0.33 in}
Cooling fan motor standard current [12 V]	No.1: 3.7—6.7 A No.2: 6.1—9.1 A
Fuel pressure	350—430 kPa {3.57—4.38 kgf/cm², 50.8—62.3 psi}
Fuel hold pressure	210 kPa {2.14 kgf/cm², 30.5 psi} or more
Fuel injector resistance	Approx. 12.0 ohms [20 °C {68 °F}]
Battery electrolyte specific gravity [20 °C {68 °F}]	1.22—1.29
Battery load test current	50D20L (40 A·h/5HR, 45 A·h/20HR): 150 A 50D20L (40 A·h/5HR, 50 A·h/20HR): 150 A 75D23L (52 A·h/5HR, 65 A·h/20HR): 195 A
Battery parasitic draw (When the ignition is off (key is removed), all doors and the bonnet are closed.)	Vehicle with immobilizer system: 40—65 mA Vehicle without immobilizer system: 40—55 mA
Battery slow charge current	50D20L (40 A·h/5HR, 45 A·h/20HR): 4.0—5.0 A 50D20L (40 A·h/5HR, 50 A·h/20HR): 4.0—5.0 A 75D23L (52 A·h/5HR, 65 A·h/20HR): 5.0—6.0 A
Battery quick charge current [30 min]	50D20L (40 A·h/5HR, 45 A·h/20HR): 25 A 50D20L (40 A·h/5HR, 50 A·h/20HR): 25 A 75D23L (52 A·h/5HR, 65 A·h/20HR): 35 A
Generator standard voltage [IG-ON]	Terminal B: B+ Terminal P: Approx. 1 V or less Terminal D: Approx. 0 V
Generator standard voltage [Idle, 20 °C {68 °F}]	Terminal B: 13—15 V Terminal P: Approx. 3—8 V Terminal D: Turn the electrical loads (headlights, blower motor, rear window defroster, brake light, etc.) on and verify that the voltage reading increases.
Generator generated current minimum value [Z6]	European (L.H.D. U.K.) specs. (Except for Israel): 70% of the nominal output current (nominal output current: 100 A) General (L.H.D. R.H.D.) specs., Israel, China: 70% of the nominal output current (nominal output current: 90 A) [Ambient temp. 20 °C {68 °F}, voltage 13.0—15.0 V, both engine and generator are hot]
Generator rotor resistance (between slip rings) [20 °C {68 °F}] [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]	1.9—2.2 ohms
Generator brush length [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]	Standard: 22.5 mm {0.886 in} Minimum: 5.0 mm {0.20 in}
Generator brush spring force [ZY, Z6 (European (L.H.D. U.K.) specs. (Except for Israel))]	Standard: 4.1—5.3 N {0.42—0.54 kgf, 1.0—1.1 lbf} Minimum: 1.7 N {0.17 kgf, 0.38 lbf}
Generator rotor resistance (between slip rings) [20 °C {68 °F}] [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]	2.1—2.5 ohm
Generator brush length [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]	Standard: 18.5 mm {0.728 in} Minimum: 5.0 mm {0.20 in}
Generator brush spring force [Z6 (General (L.H.D. R.H.D.) specs., Israel, China)]	Standard: 4.8—6.0 N {0.49—0.61 kgf, 1.1—1.3 lbf} Minimum: 2.16 N {0.220 kgf, 0.486 lbf}
Firing order	1-3-4-2 (all cylinders independent firing)

Spark plug type	Z6 (European (L.H.D. U.K.) specs. (Except for Russia and Israel)): ZJ46 18110, ZJY6 18110 (iridium spark plug), Z6B7 18110 Z6 (General (L.H.D. R.H.D.) specs., Russia, Israel, China): BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BP13 18110A, BPY1 18110, BPY2 18110 ZY: ZY51 18110, ZYY1 18110 (iridium spark plug)
Spark plug gap	ZJ46 18110, ZJY6 18110 Standard: 1.2—1.4 mm {0.047—0.055 in} New spark plug (reference): 1.2—1.3 mm {0.047—0.051 in} BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BP13 18110A, BPY1 18110, BPY2 18110 Standard: 1.0—1.2 mm {0.039—0.047 in} New spark plug (reference): 1.0—1.1 mm {0.039—0.043 in} ZY51 18110, ZYY1 18110 Standard: 1.0—1.3 mm {0.039—0.051 in} New spark plug (reference): 1.0—1.1 mm {0.039—0.043 in} Z6B7 18110 Standard: 1.2—1.3 mm {0.048—0.051 in}
Spark plug resistance [25°C {77 °F}]	ZJ46 18110, ZJY6 18110, BP01 18110 (BKR5E-11), BP02 18110 (K16PR-U11), BPY1 18110, BPY2 18110, ZY51 18110, ZYY1 18110: 3.0—7.5 kilohms BP13 18110A: 5.0—15.0 kilohms
Starter no-load test voltage	11 V
Starter no-load test current	95 A or less
Starter pinion gap	0.5—2.0 mm {0.02—0.07 in}
Starter armature runout	0.1 mm {0.004 in} max.
Starter commutator diameter	Standard: 29.4 mm {1.16 in} Minimum: 28.8 mm {1.13 in}
Segment groove depth of starter commutator	Standard: 0.5 mm {0.02 in} Minimum: 0.2 mm {0.008 in}
Starter brush length	Standard: 12.3 mm {0.484 in} Minimum: 5.5 mm {0.22 in}
Starter brush spring force	Standard: 15.0—20.4 N {1.53—2.08 kgf, 3.38—4.58 lbf} Minimum: 2.75 N {0.280 kgf, 0.618 lbf}

Idle-up speed (European (L.H.D. U.K.) specs. (Except for Israel) and Saudi Arabia)

Load status (ATX: P, N position, MTX: Neutral position)			Idle speed (rpm)
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is on	ATX	700—800
	Refrigerant pressure switch (middle pressure) is on	MTX	700—800
	Refrigerant pressure switch (middle pressure) is off	ATX	700—800
	Refrigerant pressure switch (middle pressure) is off	MTX	650—750
Electrical loads on	ATX		700—800
Electrical loads on	MTX		650—800

Idle-up speed (Israel)

Load status (ATX: P, N position)		Idle speed (rpm)
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is on	770—870
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is off	700—800
Electrical loads on		650—770

Idle-up speed (General (L.H.D. R.H.D.) specs. (Except for Saudi Arabia)) [ATX, MTX]

Load status (ATX: P, N position, MTX: Neutral position)			Idle speed (rpm)
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is on	ATX	700—800
	Refrigerant pressure switch (middle pressure) is on	MTX	700—800
	Refrigerant pressure switch (middle pressure) is off	ATX	700—800
	Refrigerant pressure switch (middle pressure) is off	MTX	650—750
Electrical loads on	ATX		700—800
Electrical loads on	MTX		650—800

Idle-up speed (General (R.H.D.) specs.) [CVT]

Load status (CVT: P, N position)		Idle speed (rpm)
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is on	700—800
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is off	600—700
Electrical loads on		550—800

Recommended engine oil [ZY]

Item	Specifications
Item	Europe			Except Europe
Grade	API SL or ACEA A3/A5	API SL or ACEA A3	API SL/SM or ACEA A3/A5	API SG/SH/SJ/SL/SM or ILSAC GF-2/GF-3/GF-4
Viscosity (SAE)	5W-30	10W-40	5W-30, 5W-20, 10W-40	40, 30, 20W-20, 20, 10W-30, 10W-40, 10W-50, 20W-40, 15W-40, 20W-50, 15W-50, 5W-20, 5W-30, 5W-40
Remarks	Mazda genuine Dexelia oil e.g.		—	—

Recommended engine oil [Z6]

Item	Specifications
Item	Europe					Russia and Except Europe
Grade	API SL/SM or ACEA A3/A5			API SL/SM/SN or ACEA A3/A5	API SL/SM or ACEA A3/A5	API SG/SH/SJ/SL/SM/SN or ILSAC GF-2/GF-3/GF-4/GF-5
Viscosity (SAE)	5W-30	10W-40	0W-30	0W-20	5W-20	40, 30, 20W-20, 20, 10W-30, 10W-40, 10W-50, 20W-40, 15W-40, 20W-50, 15W-50, 5W-20, 5W-30, 5W-40, 0W-20, 0W-30
Remarks	Mazda genuine Dexelia oil e.g.				—	—

Generator generated current (reference value) [Ambient temperature: 20 °C {68 °F}, Voltage: 12 V, Engine hot] (ZY)

Engine speed (rpm)	Terminal B current (Lower limit of current must be more than 0 A.)
1,000	0—60 A
2,000	0—60 A