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Engine Technical Data [SKYACTIV-G 2.5T]

Item Specification
Idle speed (P position or N position) 650-750 rpm
Ignition timing Approx. BTDC 21°
CO concentration Within the regulation
HC concentration Within the regulation
Idle-up speed (P position or N position) A/C on: 650-800 rpm
Electrical loads on: 650-800 rpm
OCV coil resistance 6.9-7.55 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}
Engine oil capacity (approx. quantity) Oil replacement: 4.6 L {4.9 US qt, 4.0 Imp qt}
Oil and oil filter replacement: 4.8 L {5.1 US qt, 4.2 Imp qt}
Total (dry engine): 5.9 L {6.2 US qt, 5.2 Imp qt}
Oil pressure (reference value) [oil temperature: 80-90 °C {176-194 °F}, coolant temperature: 80-90 °C {176- 194 °F}] Lo: 135-165 kPa {1.38-1.68 kgf/cm2 , 19.6-23.9 psi} [1, 500 rpm]
Hi: 225-275 kPa {2.30-2.80 kgf/cm2 , 32.7-39.8 psi} [4, 500 rpm]
Engine coolant capacity (approx. quantity) [U.S.A. and Canada] 9.9 L {10.5 US qt, 8.7 Imp qt}
Engine coolant capacity (approx. quantity) [Mexico] 9.8 L {10.4 US qt, 8.6 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 U.S.A. and Canada: 86.5-89.5 °C {188-193 °F}
Except U.S.A. and Canada: 80.5-83.5 °C {177-182 °F}
Thermostat full-open temperature U.S.A. and Canada: 100 °C {212 °F}
Except U.S.A. and Canada: 95 °C {203 °F}
Thermostat full-open lift 8.5 mm {0.33 in} or more
Fuel pressure 545-695 kPa {5.56-7.08 kgf/cm2 , 79.1-100.0 psi}
Fuel hold pressure 175-326 kPa {1.79-3.32 kgf/cm2 , 25.4-47.2 psi}
Fuel injector resistance 1.74-2.04 ohms [20 °C {68 °F}]
Battery electrolyte specific gravity 1.22-1.29 [20 °C {68 °F}]
Battery load test current 55D23L (60 A.h/20HR): 180 A
75D23L (65 A.h/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 55D23L (60 A.h/20HR): 4.5-5.5 A
75D23L (65 A.h/20HR): 5.0-6.0 A
Battery quick charge current [30 min] 55D23L (60 A.h/20HR): 30 A
75D23L (65 A.h/20HR): 35 A
Generator standard voltage [IG-ON] Terminal 1A: B+
Terminal 2A: Approx. 1 V or less
Terminal 2B: Approx. 0 V
Generator standard voltage [Idle, 20 °C {68 °F}] 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 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}] 1.8-2.1 ohms
Generator brush length Standard: 22.5 mm {0.886 in}
Minimum: 5.0 mm {0.20 in}
Generator brush spring force 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)
G10947195
Spark plug type PY8V-18-110
Spark plug resistance [25°C {77 °F}] 3.0-7.5 kilohms
Starter no-load test voltage 11 V
Starter no-load test current 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}
Fig 1: Compression Pressure Value Graph
G10947196Courtesy of MAZDA MOTORS CORP.
ENGINE OIL SPECIFICATION

Item U.S.A., Canada and Puerto Rico Except U.S.A., Canada and Puerto Rico
Engine oil grade
G10947197
G10947198
API SM/SN or ILSAC
Engine oil viscosity 5W-30 5W-30 (If SAE 5W-30 engine oil is not available, use SAE 0W-30 or SAE 10W-30 engine oil.)