ENGINE SPECIFICATIONS [LF, L3]


id0100001133c6

Item

Engine type

LF engine unleaded fuel model

LF engine leaded fuel model

L3 engine

MECHANICAL
Type
Gasoline, 4‐cycle
Cylinder arrangement and number
In-line, 4‐cylinder
Combustion chamber
Pentroof
Valve system
DOHC, timing chain driven, 16 valves
Displacement
(ml {cc, cu in})
1,999 {1,999, 121.9}
2,261 {2,261, 137.9}
Bore × stroke
(mm {in})
87.5 × 83.1 {3.44 ×3.27}
87.5 × 94.0 {3.44 × 3.70}
Compression ratio
Taiwan specs.: 10.8:1
Except Taiwan specs.: 10.0:1
10.6:1
Compression pressure
(kPa {kgf/cm2, psi}[rpm])
Taiwan specs.: 1,720 {17.5, 249}[300]
Except Taiwan specs.: 1,400 {14.3, 203}[300]
1,430 {14.6, 208}[290]
Valve timing
IN
Open
BTDC (°)
4
0—25
Close
ABDC (°)
52
0—37
EX
Open
BBDC (°)
37
42
Close
ATDC (°)
4
5
Valve clearance
[engine cold]
(mm {in})
IN
0.22—0.28 {0.0087—0.0110} (0.25 ± 0.03 {0.0098 ± 0.0011})
EX
0.27—0.33 {0.0106—0.0130} (0.30 ± 0.03 {0.0118 ± 0.0011})
LUBRICATION SYSTEM
Lubrication system
Force-fed type
Oil cooler*1
Water-cooled
Oil pressure
(approximate quantity)
[oil temperature: 100°C {212°F}]
(kPa {kgf/cm2, psi}) min. [rpm]
234—521
{2.39—5.31, 33.9—75.5}
[3,000]
395—649
{4.03—6.61, 57.3—94.1}
[3,000]
Oil pump
Type
Trochoid gear type
Relief valve opening pressure (approximate quantity)
450—550
{4.59—5.61, 65.3—79.8}
500—600
{5.09—6.11, 72.6—87.0}
(kPa {kgf/cm2, psi})
Oil filter
Type
Full-flow, paper element
Relief valve opening pressure (approximate quantity)
80—120 {0.9—1.2, 12.8—17.0}
(kPa {kgf/cm2, psi})
Oil capacity (approximate quantity)
Total (dry engine)
4.6 {4.8, 4.0}
Dipstick A:
4.2 {4.4, 3.7}*2
Dipstick B:
5.1 {5.4, 4.5}*2
(L {US qt, lmp qt})
Oil replacement
3.9 {4.0, 3.4}
Dipstick A:
3.1 {3.3, 2.7}*2
Dipstick B:
4.0 {4.2, 3.5}*2
(L {US qt, lmp qt})
Oil and oil filter replacement
4.3 {4.5, 3.8}
Dipstick A:
3.5 {3.7, 3.1}*2
Dipstick B:
4.4 {4.6, 3.9}*2
(L {US qt, lmp qt})
COOLING SYSTEM
Cooling system
Water-cooled, Electromotive
Coolant capacity
(Approximate quantity)
(L {US qt, lmp qt})
7.5 {7.9, 6.6}
Water pump
Type
Centrifugal, V‐ribbed belt-driven
Thermostat
Type
Wax, bottom-bypass
Opening temperature
(°C {°F})
80—84 {176—183}
Full-open temperature
(°C {°F})
97 {206}
Full-open lift
(mm {in})
More than 8.0 {0.31}
Radiator
Type
Corrugated fin
Cap valve opening pressure
113—142 {1.15—1.44, 16.4—20.4}
(kPa {kgf/cm2, psi})
INTAKE-AIR SYSTEM
Air cleaner element
Type
Paper element (dry type)
IAC valve
Type
Duty control
FUEL SYSTEM
Fuel injector
Type
Hi-ohmic
Type of fuel delivery
Top-feed
Type of drive
Voltage
Fuel pressure regulator
Regulating pressure
Approx. 392 {4.0, 56.9}
(kPa {kgf/cm2, psi})
Fuel tank
Capacity
64 {68, 56}
(L {US qt, lmp qt})
Fuel
Specification
Unleaded (RON 90 or above)
leaded (RON 85 or above)
Unleaded (RON 95 or above)
EMISSION SYSTEM
Catalyst
Type
TWC (monolythic)
EGR control
Type
Stepping motor type
Evaporative emission control system
Type
Canister type
PCV system
Type
Closed type
CHARGING SYSTEM
Battery
Type and capacity
(5-hour rate)
Australian specs.
50D20L (40)
General (L.H.D. R.H.D.) specs.
50D20L (40), 75D23L (52)*3, 75D26L (52)*3
50D20L (40),
80D26L (55)*3
Voltage
 
(V)
12
Generator
Output
 
(V‐A)
12-90
Regulated voltage
 
Controlled by PCM
Self-diagnosis function
 
IGNITION SYSTEM
Ignition system
Type
 
DEI (Double electronic ignition)
Spark advance
 
Electronic
Firing order
 
1—3—4—2
Spark plug
Type
 
NGK
ITR6F-13
STARTING SYSTEM
Starter
Type
 
Coaxial reduction
Output
 
(kW)
1.0
1.4

*1  :General (L.H.D. R.H.D.) specs.
*2  :Always verify the oil level with the dipsticks since the engine oil capacity differs according to dipstick specifications. (See Mazda6 Workshop Manual Section 01-11.)
*3  :Intensely hot area

Recommended Engine oil

Item

LF, L3

Engine oil
Grade
API SG, SH, SJ, SL / ILSAC GF-2, GF-3
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

Cooling fan

Item

Engine type

LF

(Australian specs.)

L3

(Australian specs.)

LF, L3 (General

(L.H.D. R.H.D.) specs.)

Type
Electrical
Blade
Outer diameter
(mm {in})
300 {11.8}
320 {12.6}
Number of blades
(sheet)
Cooling fan No.1: 5
Cooling fan No.2: 7
Cooling fan No.1: 7
Cooling fan No.2: 5