ENGINE TECHNICAL DATA [L8, LF, L3]
id0150b7800100
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Item |
Specification |
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Valve clearance [Engine cold]
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IN: 0.22—0.28 mm {0.0087—0.0110 in}
EX: 0.27—0.33 mm {0.0106—0.0130 in}
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Compression [L8]
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Standard: 1,750 kPa {17.845 kgf/cm2, 253.816 psi}[300 rpm]
Minimum: 1,225 kPa {12.492 kgf/cm2, 177.64 psi}[300 rpm]
Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm2, 28.5 psi}
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Compression [LF]
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Standard: 1,400 kPa {14.276 kgf/cm2, 203.053 psi}[300 rpm]
Minimum: 980 kPa {9.993 kgf/cm2, 142.14 psi}[300 rpm]
Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm2, 28.5 psi}
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Compression [L3]
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Standard: 1,430 kPa {14.5819 kgf/cm2, 207.404 psi}[290 rpm]
Minimum: 1,000 kPa {10.197 kgf/cm2, 145.00 psi}[290 rpm]
Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm2, 28.5 psi}
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Front oil seal press-in amount
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0—0.5 mm {0—0.019 in}
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Cylinder Head Bolt Length L
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145.2—145.8 mm {5.72—5.74 in}
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Cylinder Head Bolt Maximum
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146.5 mm {5.77 in}
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Oil control valve resistance
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6.9—7.9 ohms [20°C {68°F}]
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Ignition timing
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Approx. BTDC 8°
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Idle speed [L8]
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No load:650—750 rpm
Electrical loads* ON:650—750 rpm
P/S ON:700—800 rpm
A/C ON and refrigerant pressure switch (middle) OFF:700—800 rpm
A/C ON and refrigerant pressure switch (middle) ON:700—800 rpm
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Idle speed [LF]
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No load:600—700 rpm
Electrical loads* ON:650—750 rpm
P/S ON:650—750 rpm
A/C ON and refrigerant pressure switch (middle) OFF:700—800 rpm
A/C ON and refrigerant pressure switch (middle) ON:700—800 rpm
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Idle speed [L3 (2WD)]
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No load:600—700 rpm
Electrical loads* ON:650—750 rpm
P/S ON:650—750 rpm
A/C ON and refrigerant pressure switch (middle) OFF:700—800 rpm
A/C ON and refrigerant pressure switch (middle) ON:700—800 rpm
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Idle speed [L3 (4WD)]
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No load:650—750 rpm
Electrical loads* ON:650—750 rpm
P/S ON:650—750 rpm
A/C ON and refrigerant pressure switch (middle) OFF:650—750 rpm
A/C ON and refrigerant pressure switch (middle) ON:700—800 rpm
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Idle mixture
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HC concentration: Within the regulation
CO concentration: Within the regulation
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Oil pressure (reference value) [oil temperature: 100 °C {212 °F}]
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L8: 234—521 kPa {2.39—5.31 kgf/cm2, 33.9—75.5 psi} min [3,000 rpm]
LF, L3: 337—591 kPa {3.44—6.03 kgf/cm2, 49.0—85.8 psi} min [3,000 rpm]
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Engine oil capacity [L8, LF] (approx. quantity)
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Oil replacement: 3.9 L {4.1 US qt, 3.4 Imp qt}
Oil and oil filter replacement: 4.3 L {4.5 US qt, 3.8 Imp qt}
Total (dry engine): 4.6 L {4.9 US qt, 4.0 Imp qt}
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Engine oil capacity [L3] (approx. quantity)
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Oil replacement: 4.0 L {4.2 US qt, 3.5 Imp qt}
Oil and oil filter replacement: 4.4 L {4.6 US qt, 3.9 Imp qt}
Total (dry engine): 5.1 L {5.4 US qt, 4.5 Imp qt}
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Engine coolant capacity (approx. quantity)
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7.5 L {7.9 US qt, 6.6 Imp qt}
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Cooling system cap valve opening pressure
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112.8—142.2 kPa {1.15—1.45 kgf/cm2, 16.4—20.6 psi}
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Thermostat initial-opening temperature
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80—84 °C {176—183 °F}
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Thermostat full-open temperature
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97 °C {206 °F}
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Thermostat full-open lift
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More than 8.0 mm {0.31 in}
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Cooling fan motor current [Type A]
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No.1: 5.5—7.5 A
No.2: 5.5—7.5 A
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Cooling fan motor current [Type B]
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No.1: 8.5—11.5 A
No.2: 8.5—11.5 A
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Cooling fan motor current [Type C]
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No.1: 4.4—7.4 A
No.2: 6.5—9.5 A
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Fuel line pressure
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375—450 kPa {3.9—4.5 kgf/cm2, 55—65 psi}
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Fuel pressure fluctuation
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365—450 kPa {3.8—4.5 kgf/cm2, 53—65 psi}
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Fuel hold pressure
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More than 200 kPa {2.0 kgf/cm2, 29 psi}
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Fuel pump hold pressure
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More than 200 kPa {2.0 kgf/cm2, 29 psi}
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Fuel injector resistance
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11.4—12.6 ohms [20 °C {68 °F}]
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Fuel injector leakage
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Less than 1 drop/2 minutes
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Injection volume
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66—85 ml {66—85 cc, 2.3—2.8 fl oz}/15 s
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Battery electrolyte specific gravity [20 °C {68 °F}]
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1.22—1.29
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Battery load test current [L8, LF]
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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): 195 A
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Battery load test current [L3]
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50D20L (40 A·h/5HR, 45 A·h/20HR): 150 A
50D20L (40 A·h/5HR, 50 A·h/20HR): 150 A
80D26L (55 A·h/5HR, 65 A·h/20HR): 195 A
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Battery parasitic draw (When the ignition is off (key is removed), all doors and the bonnet are closed.)
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Vehicles with immobilizer system: 25—45 mA
Vehicles without immobilizer system: 30 mA or less
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Battery slow charge current [L8, LF]
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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): 5.0—6.0 A
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Battery slow charge current [L3]
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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
80D26L (55 A·h/5HR, 65 A·h/20HR): 5.5—6.5 A
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Battery quick charge current [30 min.] [L8, LF]
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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): 35 A
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Battery quick charge current [30 min.] [L3]
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50D20L (40 A·h/5HR, 45 A·h/20HR): 25 A
50D20L (40 A·h/5HR, 50 A·h/20HR): 25 A
80D26L (55 A·h/5HR, 65 A·h/20HR): 35 A
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Generator standard voltage [IG-ON]
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Terminal B: B+
Terminal P: Approx. 1 V
Terminal D: Approx. 0 V
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Generator standard voltage [Idle, 20 °C {68 °F}]
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Terminal B: 13—15 V
Terminal P: Approx. 3—8 V
Terminal D: Turn the electrical loads (headlights, blower motor, rear window defroster) on and verify that the voltage reading increases.
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Generator rotor resistance (between slip rings) [20 °C {68 °F}]
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2.0—2.3 ohm
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Generator brush length
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Standard: 22.5 mm {0.89 in}
Minimum: 5.0 mm {0.20 in}
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Generator brush spring force
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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}
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Firing order
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1-3-4-2 (all cylinders independent firing)
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Spark plug type
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L8: L303 18 110 (ITR5F13)
LF, L3: LFG1 18 110 (ILTR5A-13G), L3Y2 18 110
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Spark plug gap
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1.25—1.35 mm {0.049—0.053 in}
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Spark plug resistance [25°C {77 °F}]
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3.0—7.5 kilohms
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Starter no load test voltage
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11 V
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Starter no load test current
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90 A or less
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Starter pinion gap
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0.5—2.0 mm {0.02—0.07 in}
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Starter armature runout
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0.05 mm {0.002 in} max.
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Starter commutator diameter
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Standard: 29.4 mm {1.16 in}
Minimum: 28.8 mm {1.13 in}
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Segment groove depth of starter commutator
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Standard: 0.4—0.6 mm {0.016—0.023 in}
Minimum: 0.2 mm {0.008 in}
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Starter brush length
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Standard: 12.3 mm {0.48 in}
Minimum: 7.0 mm {0.28 in}
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Starter brush spring force
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Standard: 18.3—24.9 N {1.87—2.53 kgf, 4.12—5.59 lbf}
Minimum: 5.9 N {0.6 kgf, 1.3 lbf}
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Recommended engine oil
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Item |
Specification |
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Europe |
Except Europe |
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Grade
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API SL or ACEA A3/A5
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API SL or ACEA A3
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API SG/SH/SJ/SL or ILSAC GF–2/GF–3
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Viscosity (SAE)
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5W–30
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10W–40
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5W–20
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40, 30, 20, 20W–20, 10W–30, 10W–40,
10W–50, 20W–40, 15W–40, 20W–50,
15W–50, 5W–20, 5W–30
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Remarks
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Mazda genuine Dexelia oil e.g.
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—
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—
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Generator generated current (reference value) [Conditions] Ambient temperature: 20 °C {68 °F}, Voltage: 13.5 V, Engine hot
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Engine speed (rpm) |
Terminal B current (Lower limit of current must be more than 0 A.) |
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1,000
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0—80 A
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2,000
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0—100 A
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