ENGINE TECHNICAL DATA [L8, LF, L3]


id0150b7800100

Item

Specification

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.)

1,000
0—80 A
2,000
0—100 A