ENGINE TECHNICAL DATA [LF, L3]


id0150c5800100

Item

Specification

Standard valve clearance [Engine cold]
IN: 0.22—0.28 mm {0.0087—0.0110 in}
EX: 0.27—0.33 mm {0.0107—0.0129 in}
Compression
Standard: 1,400 kPa {14.28 kgf/cm2, 203.1 psi}[300 rpm]
Minimum: 980 kPa {10.0 kgf/cm2, 142.2 psi}[300 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 {5.717—5.740 in}
Cylinder Head Bolt Maximum
146.5 mm {5.767 in}
OCV resistance
6.9—7.9 ohms [20°C {68°F}]
Ignition timing
Approx. BTDC 8°
Idle speed [MTX (Neutral position)]
No load: 600—700 rpm
Electrical loads*1 ON (38—48 A): 650—750 rpm
Electrical loads*1 ON (more than 48 A): 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 [ATX (P or N position)]
No load: 650—750 rpm
Electrical loads*1 ON (38—48 A): 650—750 rpm
Electrical loads*1 ON (more than 48 A): 700—800 rpm
A/C ON and refrigerant pressure switch (middle) OFF: 650—750 rpm
A/C ON and refrigerant pressure switch (middle) ON: 670—770 rpm
Oil pressure (reference value) [oil temperature: 100 °C {212 °F}]
234—521 kPa {2.39—5.31 kgf/cm2, 33.9—75.5 psi} min [3,000 rpm]
Engine oil capacity (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 coolant capacity
With heater: 7.5 L {7.9 US qt, 6.6 Imp qt}
Without heater: 6.9 L {7.3 US qt, 6.1 Imp qt}
Cooling system cap valve opening pressure
135—155 kPa {1.38—1.58 kgf/cm2, 19.6—22.4 psi}
Thermostat initial-opening temperature
80—84 °C {176—183 °F}
Thermostat full-open temperature
97 °C {207 °F}
Thermostat full-open lift
More than 8.0 mm {0.31 in})
Fuel pressure
350—410 kPa {3.57—4.18 kgf/cm2, 50.8—59.4 psi}
Fuel hold pressure
250 kPa {2.55 kgf/cm2, 36.2 psi} or more
Fuel injector resistance
11.4—12.6 ohms [20 °C {68 °F}]
Fuel injector leakage
1 drop or less/2 min
Injection volume
46—66 ml {44—66 cc, 2.8—4.0 cu in}/15 s
Battery electrolyte specific gravity [20 °C {68 °F}]
1.22—1.29
Battery load test current [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, 65 A·h/20HR): 195 A
Battery load test current [L3]
50D20L (40 A·h/5HR): 150 A
75D23L (52 A·h/5HR): 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 [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, 65 A·h/20HR): 5.0—6.0 A
Battery slow charge current [L3]
50D20L (40 A·h/5HR): 4.0—5.0 A
75D23L (52 A·h/5HR): 5.0—6.0 A
Battery quick charge current [30 min.] [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, 65 A·h/20HR): 35 A
Battery quick charge current [30 min.] [L3]
50D20L (40 A·h/5HR): 25 A
75D23L (52 A·h/5HR): 35 A
Generator standard voltage [IG-ON]
Terminal B: B+
Terminal P: Approx. 1 V or less
Terminal D: Approx. 0 V
Generator standard voltage [Idle, 20 °C {68 °F}]
Terminal B: 13—15 V
Terminal P: Approx. 3—8V
Terminal D: Turn the electrical loads (headlights, blower motor, rear window defroster) on and verify that the voltage reading increases.
Generator generated current minimum value
70 % of the nominal output current (nominal output current: 90 A)
[ambient temp. 20 °C {68 °F}, voltage 13.0—15.0 V, both engine and generator are cold]
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}
Firing order
1-3-4-2 (all cylinders independent firing)
Spark plug type
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 pinion gap
0.5—2.0 mm {0.02—0.07 in}
Starter no load test voltage
11 V
Starter no load test current
90 A or less
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}

*1  :Generator generating current value.

Recommended engine oil [LF]

Item

Specifications

Europe

Except Europe

Grade
API SL or ACEA A3/A5
API SL or ACEA A3
API SM or ACEA A3/A5
API SL/SM or ACEA A3/A5
API SG/SH/SJ/SL/SM or ILSAC GF-2/GF-3/GF-4
Viscosity (SAE)
5W-30
10W-40
0W-30
5W-20, 5W-30, 10W-40
40, 30, 20, 20W-20, 10W-30, 10W-40, 10W-50, 20W-40, 15W-40, 20W-50, 15W-50, 5W-20, 5W-30, 5W-40, 0W-30*1
Remarks
Mazda genuine Dexelia oil e.g.

*1  :Russia only

Recommended engine oil [L3]

Item

Specifications

Grade
API SG/SH/SJ/SL/SM or ILSAC GF-2/GF-3/GF-4
Viscosity (SAE)
40, 30, 20, 20W-20, 10W-30, 10W-40, 10W-50, 20W-40, 15W-40, 20W-50, 15W-50, 5W-20, 5W-30, 5W-40
Remarks