ENGINE TECHNICAL DATA [MZR 1.3, MZR 1.5]

id015007800100

Item

Specification

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

600—700 rpm

Ignition timing

MZR 1.3 : Approx. BTDC 6°

MZR 1.5 : Approx. BTDC 8°

CO concentration

Within the regulation

HC 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 pressure

MZR 1.3 (Except Miller Cycle Engine)

Standard: 1,461 kPa {14.90 kgf/cm², 211.9 psi}[300 rpm]

Minimum: 1,023 kPa {10.44 kgf/cm², 148.4 psi}[300 rpm]

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

MZR 1.3 (Miller Cycle Engine)

Standard: 1,324 kPa {13.50 kgf/cm², 192.0 psi}[300 rpm]

Minimum: 927 kPa {10.44 kgf/cm², 148.4 psi}[300 rpm]

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

MZR 1.5

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} a or less

Oil control valve (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 {3.37—3.87 kgf/cm², 47.9—55.1 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: 0.03—0.07 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 [MZR 1.3] (approx. quantity)

MTX: 5.3 L {5.6 US qt, 4.7 Imp qt}

CVT: 5.5 L {5.8 US qt, 4.8 Imp qt}

Engine coolant capacity [MZR 1.5] (approx. quantity)

MTX: 5.1 L {5.4 US qt, 4.5 Imp qt}

ATX: 5.0 L {5.3 US qt, 4.4 Imp qt}

Cooling system cap valve opening pressure

93.2—122.6 kPa {0.951—1.250 kgf/cm², 13.6—17.7 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

High: 7.4—11.4 A [12 V]

Low: 5.6—9.6 A [12 V]

Fuel pressure

375—450 kPa {3.57—4.18 kgf/cm², 50.8—59.4 psi}

Fuel hold pressure

250 kPa {2.55 kgf/cm², 36.2 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

50D23L (48 A·h/5HR, 55 A·h/20HR): 180 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: 15—35 mA

Vehicle without immobilizer system: 20 mA or less

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

50D23L (48 A·h/5HR, 55 A·h/20HR): 4.5—5.5 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

50D23L (48 A·h/5HR, 55 A·h/20HR): 30 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 [Vehicles without current sensor]

70% of the nominal output current (nominal output current: 90 A)

[Ambient temperature: 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}]

2.1—2.5 ohm

Generator brush length

Standard: 18.5 mm {0.728 in}

Minimum: 5.0 mm {0.20 in}

Generator brush spring force

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

MTX, ATX: ZJ46 18110, ZJY6 18110, Z6B7 18110, BPY1 18110 (EURO4 emission level), BPY2 18110 (EURO4 emission level)

CVT: ZY51 18110, ZYY1 18110

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}

Spark plug gap [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}

Spark plug gap [Z6B7 18110]

Standard: 1.2—1.3 mm {0.048—0.051 in}

Spark plug gap [BPY1 18110 (EURO4 emission level), BPY2 18110 (EURO4 emission level)]

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}

Spark plug resistance [25°C {77 °F}]

3.0—7.5 kilohms

Starter no-load test voltage

11 V

Starter no-load test current

ZJ38, ZYF2*: 95 A or less

ZJ45, ZYF3*: 90 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 (ATX, CVT: P, N position, MTX: Neutral)	600—700 rpm
Ignition timing	MZR 1.3 : Approx. BTDC 6° MZR 1.5 : Approx. BTDC 8°
CO concentration	Within the regulation
HC 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 pressure	MZR 1.3 (Except Miller Cycle Engine) Standard: 1,461 kPa {14.90 kgf/cm², 211.9 psi}[300 rpm] Minimum: 1,023 kPa {10.44 kgf/cm², 148.4 psi}[300 rpm] Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} a or less MZR 1.3 (Miller Cycle Engine) Standard: 1,324 kPa {13.50 kgf/cm², 192.0 psi}[300 rpm] Minimum: 927 kPa {10.44 kgf/cm², 148.4 psi}[300 rpm] Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm², 28.5 psi} a or less MZR 1.5 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} a or less
Oil control valve (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 {3.37—3.87 kgf/cm², 47.9—55.1 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: 0.03—0.07 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 [MZR 1.3] (approx. quantity)	MTX: 5.3 L {5.6 US qt, 4.7 Imp qt} CVT: 5.5 L {5.8 US qt, 4.8 Imp qt}
Engine coolant capacity [MZR 1.5] (approx. quantity)	MTX: 5.1 L {5.4 US qt, 4.5 Imp qt} ATX: 5.0 L {5.3 US qt, 4.4 Imp qt}
Cooling system cap valve opening pressure	93.2—122.6 kPa {0.951—1.250 kgf/cm², 13.6—17.7 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	High: 7.4—11.4 A [12 V] Low: 5.6—9.6 A [12 V]
Fuel pressure	375—450 kPa {3.57—4.18 kgf/cm², 50.8—59.4 psi}
Fuel hold pressure	250 kPa {2.55 kgf/cm², 36.2 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 50D23L (48 A·h/5HR, 55 A·h/20HR): 180 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: 15—35 mA Vehicle without immobilizer system: 20 mA or less
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 50D23L (48 A·h/5HR, 55 A·h/20HR): 4.5—5.5 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 50D23L (48 A·h/5HR, 55 A·h/20HR): 30 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 [Vehicles without current sensor]	70% of the nominal output current (nominal output current: 90 A) [Ambient temperature: 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}]	2.1—2.5 ohm
Generator brush length	Standard: 18.5 mm {0.728 in} Minimum: 5.0 mm {0.20 in}
Generator brush spring force	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	MTX, ATX: ZJ46 18110, ZJY6 18110, Z6B7 18110, BPY1 18110 (EURO4 emission level), BPY2 18110 (EURO4 emission level) CVT: ZY51 18110, ZYY1 18110
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}
Spark plug gap [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}
Spark plug gap [Z6B7 18110]	Standard: 1.2—1.3 mm {0.048—0.051 in}
Spark plug gap [BPY1 18110 (EURO4 emission level), BPY2 18110 (EURO4 emission level)]	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}
Spark plug resistance [25°C {77 °F}]	3.0—7.5 kilohms
Starter no-load test voltage	11 V
Starter no-load test current	ZJ38, ZYF2: 95 A or less ZJ45, ZYF3: 90 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}

* :The first four digits of the part number indicated on the starter nameplate

am2zzw00006753

Idle-up speed

Load status			Idle speed (rpm)
Load status			ATX, CVT: P, N position	MTX: Neutral
No load			600—700
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is off		600—700	650—750
A/C on (With A/C)	Refrigerant pressure switch (middle pressure) is on		700—800
Electrical loads on	Generator generating current value	32—40 A	600—700	650—750
Electrical loads on	Generator generating current value	above 40 A	700—800

Recommended engine oil

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) [Vehicles with current sensor]

Engine speed [rpm]	Terminal B current (Lower limit of current must be more than 0 A.)
1,000	0—73 A
2,000	0—94 A

[Ambient temperature: 20 °C {68 °F}, Voltage: 13.0—15.0 V, Engine hot]