Engine Technical Data

Item	Specification
Idle speed (MTX: Neutral position, ATX: P, N position)	MTX: 500-600 rpm ATX: 550-650 rpm
Ignition timing [SKYACTIV-G 2.0]	MTX: Approx. BTDC 14° ATX: Approx. BTDC 12°
Ignition timing [SKYACTIV-G 2.5]	Approx. BTDC 12°
CO concentration	Within the regulation
HC concentration	Within the regulation
Idle-up speed (MTX: Neutral position, ATX: P, N position)	A/C on: 650-800 rpm Electrical loads on: 600-750 rpm
OCV coil resistance	6.9-7.5 ohms [20°C {68°F}]
Cylinder head bolt length L	145.2-145.8 mm {5.717-5.740 in}
Cylinder head bolt length L maximum	146.5 mm {5.767 in}
Front oil seal press on amount	0-1.0 mm {0-0.039 in}
Rear oil seal press on amount	0-0.5 mm {0-0.019 in}
Magnetic clutch clearance (reference)	0.3-0.6 mm {0.012-0.023 in}
Engine oil capacity [SKYACTIV-G 2.0] (approx. quantity)	Oil replacement: 4.0 L {4.2 US qt, 3.5 lmp qt} Oil and oil filter replacement: 4.2 L {4.4 US qt, 3.7 lmp qt} Total (dry engine): 4.9 L {5.2 US qt, 4.3 lmp qt}
Engine oil capacity [SKYACTIV-G 2.5] (approx. quantity)	Oil replacement: 4.3 L {4.5 US qt, 3.8 lmp qt} Oil and oil filter replacement: 4.5 L {4.8 US qt, 4.0 lmp qt} Total (dry engine): 5.4 L {5.7 US qt, 4.8 Imp qt}
Oil pressure (reference value) [coolant temperature: 80-90 °C {176-194 °F}]	Lo: 110-175 kPa {1.13-1.78 kgf/cm² , 16.0-25.3 psi} [1, 500 rpm] Hi: 300-430 kPa {3.06-4.38 kgf/cm² , 43.6-62.3 psi} [4, 500 rpm]
Engine coolant capacity (approx. quantity) [World manufacturer identification "JM1"]	SKYACTIV-G 2.0 MTX: 6.3 L {6.7 US qt, 5.5 lmp qt} SKYACTIV-G 2.0 ATX: 6.5 L {6.9 US qt, 5.7 lmp qt} SKYACTIV-G 2.5 MTX [U.S.A. and Canada]: 6.5 L {6.9 US qt, 5.7 lmp qt} SKYACTIV-G 2.5 ATX [U.S.A. and Canada]: 6.8 L {7.2 US qt, 6.0 lmp qt} SKYACTIV-G 2.5 MTX [Mexico]: 6.5 L {6.9 US qt, 5.7 lmp qt} SKYACTIV-G 2.5 ATX [Mexico]: 6.7 L {7.1 US qt, 5.9 lmp qt}
Engine coolant capacity (approx. quantity) [World manufacturer identification "3MZ"]	SKYACTIV-G 2.0 MTX: 6.7 L {7.1 US qt, 5.9 lmp qt} SKYACTIV-G 2.0 ATX: 6.9 L {7.3 US qt, 6.1 lmp 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	U.S.A. and Canada: 80.5-83.5 °C {177-182 °F} Except U.S.A. and Canada: 86.5-89.5 °C {188-193 °F}
Thermostat full-open temperature	95 °C {203 °F}
Thermostat full-open lift	8.5 mm {0.33 in} or more
Cooling fan motor standard current [World manufacturer identification "JM1"]	No. 1: 4.3-8.3 A [12 V] No. 2: 4.1-8.1 A [12 V]
Cooling fan motor standard current [World manufacturer identification "3MZ"]	No. 1: 3.3-7.3 A [12 V] No. 2: 7.8-11.8 A [12 V]
Throttle body resistance	0.3-100 ohms [20°C {68 °F}]
Fuel pressure	405-485 kPa {4.13-4.94 kgf/cm² , 58.8-70.3 psi}
Fuel hold pressure	230 kPa {2.35 kgf/cm² , 33.4 psi} or more
Fuel injector resistance	1.74-2.04 ohms [20 °C {68 °F}]
Battery electrolyte specific gravity [without i-ELOOP (with 55D23L or 75D23L Battery)]	1.22-1.29 [20 °C {68 °F}]
Battery load test current (without i-ELOOP)	55D23L (60 Ah/20HR), GR35 (60 Ah/20HR): 180 A 75D23L (65 Ah/20HR), GR35 (65 Ah/20HR): 195 A
Parasitic draw (When the ignition is off (lock), all doors and the hood are closed.)	40-65 mA
Battery slow charge current (without i-ELOOP)	55D23L (60 Ah/20HR), GR35 (60 Ah/20HR): 4.5-5.5 A 75D23L (65 Ah/20HR), GR35 (65 Ah/20HR): 5.0-6.0 A
Battery quick charge current [30 min] (without i-ELOOP)	55D23L (60 Ah/20HR), GR35 (60 Ah/20HR): 30 A 75D23L (65 Ah/20HR), GR35 (65 Ah/20HR): 35 A
Generator standard voltage [IG-ON] (without i-ELOOP)	Terminal 1A: B+ Terminal 2A: Approx. 1 V or less Terminal 2B: Approx. 0 V
Generator standard voltage [Idle, 20 °C {68 °F}] (without i-ELOOP)	Terminal 1A: 13-15 V Terminal 2A: Approx. 3-8 V Terminal 2B: Turn the electrical loads (such as headlights, blower motor, rear window defroster, brake lights) on and verify that the voltage reading increases.
Generator generated current minimum value (without i-ELOOP)	70% of the nominal output current (nominal output current: 100 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}] (without i-ELOOP)	1.8-2.1 ohms
Generator brush length (without i-ELOOP)	Standard: 22.5 mm {0.886 in} Minimum: 5.0 mm {0.20 in}
Generator brush spring force (without i-ELOOP)	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}
Firing order	1-3-4-2 (all cylinders independent firing)
Firing order
Spark plug type	PE5R-18-110, PE5S-18-110
Spark plug gap	Standard: 1.05-1.40 mm {0.0414-0.0551 in} New spark plug (reference): 1.05-1.15 mm {0.0414-0.0452 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	SKYACTIV-G 2.0: 95 A or less SKYACTIV-G 2.5: 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}

Compression pressure [SKYACTIV-G 2.0]

Fig 1: Compression Pressure And Engine Speed Graph (SKYACTIV-G 2.0)

Courtesy of MAZDA MOTORS CORP.

Standard: Refer to the Fig 1.
Minimum: Refer to the Fig 1.
Maximum difference between cylinders: 148 kPa {1.51 kgf/cm² , 21.5 psi} [250 rpm]
- Compression pressure [SKYACTIV-G 2.5]
Fig 2: Compression Pressure And Engine Speed Graph (SKYACTIV-G 2.5)
Courtesy of MAZDA MOTORS CORP.
Standard: Refer to the Fig 2.
Minimum: Refer to the Fig 2.
Maximum difference between cylinders: 160 kPa {1.63 kgf/cm² , 23.2 psi} [250 rpm]

ENGINE OIL SPECIFICATION

Item	U.S.A., Canada and Puerto Rico	Except U.S.A., Canada and Puerto Rico
Engine oil grade
Engine oil grade		API SM or ILSAC
Engine oil viscosity	0W-20	5W-30 (If SAE 5W-30 engine oil is not available, use SAE 5W-20 engine oil.)