ENGINE TECHNICAL DATA [MZI-3.7]

id0150d2800100

Item | Specification
--- | ---
Ignition timing | Approx. BTDC 13 °
Idle speed (N position) | No load: 550—650 rpm Electrical load on: 550—730 rpm Power steering oil pump operation: 580—680 rpm A/C and heater operation: 570—745 rpm
CO concentration | Within the regulation
HC concentration | Within the regulation
Standard valve clearance [Engine cold] | IN: 0.150—0.250 mm {0.00591—0.00984 in} EX: 0.300—0.400 mm {0.0119—0.0157 in}
Oil control valve resistance | 5—14 ohms
Engine oil capacity (approx. quantity) | Oil replacement: 4.7 L {5.0 US qt, 4.1 Imp qt} Oil and oil filter replacement: 5.2 L {5.5 US qt, 4.6 Imp qt} Total (dry engine): 5.9 L {6.2 US qt, 5.2 Imp qt}
Oil pressure (reference value) [oil temperature: 93.3 °C {200 °F}] | 310—621 kPa {3.17—6.33 kgf/cm2, 45.0—90.0 psi} [2,000 rpm]
Engine coolant capacity (approx. quantity) | 12.1 L {12.8 US qt, 10.6 Imp qt}
Cooling system cap valve opening pressure | 93.2—122.6 kPa {0.95—1.25 kgf/cm2, 13.5—17.8 psi}
Thermostat initial-opening temperature | 79.5—83.3 °C {175.2—181.9 °F}
Thermostat full-open temperature | 94.5 °C {202.1 °F}
Thermostat full-open lift | More than 8.1 mm {0.32 in}
Cooling fan motor standard current | No.1, No.2: 17—23 A [12 V]
Fuel line pressure | 375—450 kPa {3.83—4.58 kgf/cm2, 54.4—65.2 psi}
Fuel injector resistance | 11.3—12.7 ohms
Battery electrolyte specific gravity [20 °C {68 °F}] | 1.22—1.29
Battery load test current | 80D26L (65 A·h/20HR): 195 A
Battery parasitic draw (When the ignition is off (key is removed), all doors and the bonnet are closed.) | 50—60 mA
Battery slow charge current | 80D26L (65 A·h/20HR): 5.5—6.5 A
Battery quick charge current [30 min] | 80D26L (65 A·h/20HR): 35 A
Generator standard voltage [IG-ON] | Terminal B: B+ Terminal A: B+ Terminal RC: Approx. 1 V or less Terminal LI: Approx. 1 V
Generator standard voltage [Idle, 20 °C {68 °F}] | Terminal B: 12—16 V Terminal A: 12—16 V Terminal RC: 0—16 V Terminal LI: 1—16 V
Generator generated current minimum value | 70 % of the nominal output current (nominal output current: 110 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—2.2 ohm
Generator brush length | Standard: 22.5 mm {0.89 in} Minimum: 5.0 mm {0.20 in}
Generator brush spring force | Standard: 4.1—5.3 N {0.42—0.54 kgf, 0.92—1.19 lbf} Minimum: 1.7 N {0.17 kgf, 0.38 lbf}
Ignition coil secondary coil resistance | 5—6 kilohms
Firing order | 1-4-2-5-3-6
Spark plug type | CY02 18110
Spark plug gap | 1.29—1.45 mm {0.051—0.057 in}
Spark plug resistance | 2—20 kilohms
Starter no-load test voltage | 11 V
Starter no-load test current | 90 A or less
Starter pinion gap | 0 mm {0 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 {0.48 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 {0.28 kgf, 0.62 lbf}

Engine oil [Europe]

Recommended Oil*1
Mazda Original Oil Ultra 5W-30
Mazda Original Oil 10W-40

Alternative Oil Quality*2
API SL/SM | 10W-30, 10W-40, 5W-20, 5W-30, 5W-40

*1 :Mazda Original Oils are specially designed/tested for the respective engine. For optimum performance we recommend to use Mazda Original Oils at all times.
*2 :If you are unable to find a Mazda Original Oil, alternative oils meeting the listed specification may also be used.

Engine oil [Except Europe]

Item | Specification
--- | ---
Grade | API SL/SM or ILSAC GF-3/GF-4
Viscosity (SAE) | 10W-30, 10W-40, 5W-20, 5W-30, 5W-40