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Engine Technical Data [LF, L3]

ENGINE TECHNICAL DATA (LF, L3)

Item Specification
LF (2.0 L) L3 (2.3 L)
MECHANICAL 
Valve clearance [engine cold] (mm {in}) IN 0.22-0.28 {0.0087-0.0110}
EX 0.27-0.33 {0.0107-0.0129}
Compression pressure (kPa {kgf/cm2 , psi}) [rpm] Standard 1,400 {14.28, 203.1} [300] 1,372 {14.00, 199.1} [290]
Minimum 980 {10.0, 142.2} [300] 960 {9.79, 139.2} [290]
Maximum difference between cylinders 196.1 {2.0, 28.5}
Cylinder head bolt length (mm {in}) Standard 145.2-145.8 {5.717-5.740}
Maximum 146.5 {5.767}
Pushing distance of the front oil seal (mm {in}) 0-0.5 {0-0.019} (from the edge of the engine front cover)
Oil control valve (OCV) [20°C {68°F}] Resistance (ohm) 6.9-7.9
Ignition timing (BTDC) 8°
Idle speed() (rpm) No load (MTX) 600-700
No load (ATX) 650-750
E/L ON() (38-48 A) 650-750
E/L ON() (Above 48 A) 700-800
A/C ON and refrigerant pressure switch (middle) OFF MTX: 700-800
ATX: 650-750
A/C ON and refrigerant pressure switch (middle) ON MTX: 700-800
ATX: 670-770
Idle mixture HC concentration Within the regulation
CO concentration Within the regulation
LUBRICATION SYSTEM 
Oil pressure (reference value) [oil temperature: 100°C {212°F}] (kPa {kgf/cm2 , psi} [rpm] 337-591 {3.44-6.03, 49.0-85.8} [3,000]
Oil capacity (approx. quantity) Oil replacement (L {US qt, Imp qt}) 3.9 {4.1, 3.4}
Oil and oil filter replacement (L {US qt, Imp qt}) 4.3 {4.5, 3.8}
Total (dry engine) (L {US qt, Imp qt}) 4.6 {4.9, 4.0}
COOLING SYSTEM 
Coolant capacity (approx. quantity) (L {US qt, Imp qt}) With heater: 7.5 {7.9, 6.6}
Without heater: 6.9 {7.3, 6.1}
Radiator cap valve opening pressure (kPa {kgf/cm2 , psi}) 135-155 {1.38-1.58, 19.6-22.4}
Thermostat Initial-opening temperature (°C {°F}) 80-84 {176-183}
Full-opening temperature (°C {°F}) 97 {207}
Full-open lift (mm {in}) 8.0 {0.31} or more
FUEL SYSTEM 
Fuel line pressure (kPa {kgf/cm2 , psi}) Fuel hold pressure 250 {2.55, 36.2} or more
Fuel static pressure 350-410 {3.57-4.18, 50.8-59.4}
Fuel injector Resistance (ohm) [20°C {68°F}] 13.1-14.5()
11.4-12.6()
Leakage amount (drop/2 min) Less than 1
Injection volume (ml {cc, cu in}/min) 260-320 {260-320, 15.9-19.5}()
195-245 {195-245, 11.9-14.9}()
ENGINE TECHNICAL DATA (LF, L3)

Item Specification
LF (2.0 L) L3 (2.3 L)
CHARGING SYSTEM 
Battery Electrolyte gravity [20°C {68°F}] 1.22-1.29
Back-up current(5) (mA) Vehicles with immobilizer system: 25-45 Vehicles without immobilizer system: 30 or less
Test load chart (A) Battery type (5-hour rate) 50D20L (40) 150
75D23L (52) 195
80D26L (55) - 195
Slow charge (A) Battery type (5-hour rate) 50D20L (40) 4.0-5.0
75D23L (52) 5.0-6.0
80D26L (55) - 5.5-6.5
Quick charge (A/30min.) Battery type (5-hour rate) 50D20L (40) 25
75D23L (52) 35
80D26L (55) - 35
Generator Standard voltage (V) Ignition switch ON Terminal B -B+
P Approx. 1.0 or less
D Approx. 0
Idle [20°C {68°F}] Terminal B 13.0-15.0
P Approx. 3.0-8.0
D (6)
Minimum current 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 hot]
Rotor resistance (Between slip rings) (ohm) 1.8-2.2
Brush length Standard (mm {in}) 18.5 {0.73}
Minimum (mm {in}) 5.0 {0.2}
Brush spring force Standard (N {kgf, lbf}) 4.8-6.0 {0.49-0.61, 1.08-1.34}
Minimum (N {kgf, lbf}) 2.16 {0.22,0.49}
IGNITION SYSTEM 
Firing order 1-3-4-2 (all cylinders independent firing)
G04955379Courtesy of MAZDA MOTORS CORP.
Spark plug Type LFG1 18 110 (ILTR5A-13G), L3Y2 18 110
Standard plug gap (mm {in}) 1.25-1.35 {0.050-0.053}
Resistance [25°C {77°F}] (kilohm) 3.0-7.5
STARTING SYSTEM 
Starter No load test Voltage (V) 11
Current (A) 90 or less
Pinion gap (mm {in}) 0.5-2.0 {0.02-0.07}
Commutator runout Maximum (mm {in}) 0.05 {0.002} max.
diameter Standard (mm {in}) 29.4 {1.16}
Minimum (mm {in}) 28.8 {1.13}
depth Standard (mm {in}) 0.4-0.6 {0.016-0.023}
Minimum (mm {in}) 0.2 {0.008}
Brush length Standard (mm {in}) 12.3 {0.48}
Minimum (mm {in}) 7.0 {0.28}
Brush spring force Standard (N {kgf, lbf}) 18.3-24.9 {1.87-2.53, 4.12-5.59}
Minimum (N {kgf, lbf}) 5.9 {0.6, 1.3}
(1) Excludes temporary idle speed drop just after the electrical loads (E/L) are turned on.
(2) Generator generating current value.
(3) California emission regulation applicable model
(4) Except for California emission regulation applicable model
(5) Back-up current is the constant flow of current (for audio unit, clock, PCM, etc.) that is supplied after leaving the battery undisturbed for approx. 30 min  when the ignition switch is off (key has been removed) and all doors are closed.
(6) Turn the following electrical loads on and verify that the voltage reading increases.
  • Headlights
  • Blower motor
  • Rear window defroster

Engine oil specification 

ENGINE OIL SPECIFICATION

Item U.S.A. and CANADA Except U.S.A. and CANADA
Engine oil grade
G04955380Courtesy of MAZDA MOTORS CORP.
G04955381Courtesy of MAZDA MOTORS CORP.
Engine oil viscosity 5W-20 5W-20 (If SAE 5W-20 engine oil is not available in your market, use SAE 5W-30 engine oil.)