ENGINE TECHNICAL DATA [L8, LF, L3]

id0150b7800100

Item | Specification
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Valve clearance [Engine cold] | IN: 0.22—0.28 mm {0.0087—0.0110 in} EX: 0.27—0.33 mm {0.0106—0.0130 in}
Compression [L8] | 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}
Compression [LF] | 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}
Compression [L3] | 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}
Front oil seal press-in amount | 0—0.5 mm {0—0.019 in}
Cylinder Head Bolt Length L | 145.2—145.8 mm {5.72—5.74 in}
Cylinder Head Bolt Maximum | 146.5 mm {5.77 in}
Oil control valve resistance | 6.9—7.9 ohms [20°C {68°F}]
Ignition timing | Approx. BTDC 8°
Idle speed [L8] | 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
Idle speed [LF] | 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
Idle speed [L3 (2WD)] | 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
Idle speed [L3 (4WD)] | 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
Idle mixture | HC concentration: Within the regulation CO concentration: Within the regulation
Oil pressure (reference value) [oil temperature: 100 °C {212 °F}] | 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]
Engine oil capacity [L8, LF] (approx. quantity) | 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}
Engine oil capacity [L3] (approx. quantity) | 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}
Engine coolant capacity (approx. quantity) | 7.5 L {7.9 US qt, 6.6 Imp qt}
Cooling system cap valve opening pressure | 112.8—142.2 kPa {1.15—1.45 kgf/cm2, 16.4—20.6 psi}
Thermostat initial-opening temperature | 80—84 °C {176—183 °F}
Thermostat full-open temperature | 97 °C {206 °F}
Thermostat full-open lift | More than 8.0 mm {0.31 in}
Cooling fan motor current [Type A] | No.1: 5.5—7.5 A No.2: 5.5—7.5 A
Cooling fan motor current [Type B] | No.1: 8.5—11.5 A No.2: 8.5—11.5 A
Cooling fan motor current [Type C] | No.1: 4.4—7.4 A No.2: 6.5—9.5 A
Fuel line pressure | 375—450 kPa {3.9—4.5 kgf/cm2, 55—65 psi}
Fuel pressure fluctuation | 365—450 kPa {3.8—4.5 kgf/cm2, 53—65 psi}
Fuel hold pressure | More than 200 kPa {2.0 kgf/cm2, 29 psi}
Fuel pump hold pressure | More than 200 kPa {2.0 kgf/cm2, 29 psi}
Fuel injector resistance | 11.4—12.6 ohms [20 °C {68 °F}]
Fuel injector leakage | Less than 1 drop/2 minutes
Injection volume | 66—85 ml {66—85 cc, 2.3—2.8 fl oz}/15 s
Battery electrolyte specific gravity [20 °C {68 °F}] | 1.22—1.29
Battery load test current [L8, LF] | 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
Battery load test current [L3] | 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
Battery parasitic draw (When the ignition is off (key is removed), all doors and the bonnet are closed.) | Vehicles with immobilizer system: 25—45 mA Vehicles without immobilizer system: 30 mA or less
Battery slow charge current [L8, LF] | 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
Battery slow charge current [L3] | 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
Battery quick charge current [30 min.] [L8, LF] | 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
Battery quick charge current [30 min.] [L3] | 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
Generator standard voltage [IG-ON] | Terminal B: B+ Terminal P: Approx. 1 V 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) on and verify that the voltage reading increases.
Generator rotor resistance (between slip rings) [20 °C {68 °F}] | 2.0—2.3 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}
Firing order | 1-3-4-2 (all cylinders independent firing)
Spark plug type | L8: L303 18 110 (ITR5F13) LF, L3: LFG1 18 110 (ILTR5A-13G), L3Y2 18 110
Spark plug gap | 1.25—1.35 mm {0.049—0.053 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 | 90 A or less
Starter pinion gap | 0.5—2.0 mm {0.02—0.07 in}
Starter armature runout | 0.05 mm {0.002 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: 0.4—0.6 mm {0.016—0.023 in} Minimum: 0.2 mm {0.008 in}
Starter brush length | Standard: 12.3 mm {0.48 in} Minimum: 7.0 mm {0.28 in}
Starter brush spring force | 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}

* :Blower motor is operating at high speed. Headlight switch is turned on. Rear window defroster switch is turned on. Cooling fans are operating.

Recommended engine oil

Item | Specification
--- | ---
Europe | Except Europe
Grade | API SL or ACEA A3/A5 | API SL or ACEA A3 | API SG/SH/SJ/SL or ILSAC GF–2/GF–3
Viscosity (SAE) | 5W–30 | 10W–40 | 5W–20 | 40, 30, 20, 20W–20, 10W–30, 10W–40, 10W–50, 20W–40, 15W–40, 20W–50, 15W–50, 5W–20, 5W–30
Remarks | Mazda genuine Dexelia oil e.g. | — | —

Generator generated current (reference value) [Conditions] Ambient temperature: 20 °C {68 °F}, Voltage: 13.5 V, Engine hot

Engine speed (rpm) | Terminal B current (Lower limit of current must be more than 0 A.)
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1,000 | 0—80 A
2,000 | 0—100 A