Engine Technical Data [LF]

ITEM SPECIFICATIONS

Item	Specification
Ignition timing	Approx. BTDC 8°
Idle speed	No load: 670-770 RPM (MT), 700-800 RPM (AT) Electrical loads (38-48 A): 700-800 RPM Electrical loads (more than 48 A): 800-900 RPM P/S ON: 700-800 RPM (MT), 750-850 RPM (AT) A/C ON: 825-925 RPM (MT), 775-875 RPM (AT)
Idle mixture	HC concentration: Within the regulation CO concentration: Within the regulation
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: 1,720 kPa {17.5391 kgf/cm² , 249.465 psi}[300 RPM] Minimum: 1,204 kPa {12.277 kgf/cm² , 174.58 psi}[300 RPM] Maximum difference between cylinders: 196.1 kPa {2.0 kgf/cm² , 28.5 psi}
Oil control valve resistance	6.9-7.9 ohms [20°C {68°F}]
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}
Engine oil capacity (approx. quantity) [Without oil cooler]	Oil replacement: 4.05 L {4.28 US qt, 3.56 lmp qt} Oil and oil filter replacement: 4.45 L {4.70 US qt, 3.92 lmp qt} Total (dry engine): 4.75 L {5.02 US qt, 4.18 lmp qt}
Engine oil capacity (approx. quantity) [With oil cooler]	Oil replacement: 4.05 L {4.28 US qt, 3.56 lmp qt} Oil and oil filter replacement: 4.55 L {4.81 US qt, 4.00 lmp qt} Total (dry engine): 4.85 L {5.12 US qt, 4.27 lmp qt}
Oil pressure (reference value) [oil temperature: 100°C {212°F}]	337-591 kPa {3.44-6.03 kgf/cm² , 49.0-85.8 psi}[3,000 RPM]
Engine coolant capacity (approx. quantity)	7.5 L {7.9 US qt, 6.6 lmp qt}
Cooling system cap valve opening pressure	93.2-122.6 kPa {0.95-1.25 kgf/cm² , 13.5-17.8 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}
Cooling fan motor standard current [12 V]	High: 9.0-12.0 A Middle: 6.4-9.4 A Low: 4.8-7.8 A
Fuel hold pressure (Reference)	200 kPa {2.04 kgf/cm² , 29.0 psi} or more
Fuel injector resistance	11.4-12.6 ohms [20°C {68°F}]
Fuel injector leakage amount	Less than 1 drop/2 min
-	Fuel injection volume 204-216 ml {204-216 cc, 12.5-13.1 cu in}/min
Battery electrolyte specific gravity [20°C {68°F}]	1.22-1.29
Battery load test current	46B24L (36): 135 A
Battery back-up current (When the ignition switch is off, the ignition key is removed, and all doors are closed.)	Vehicles with immobilizer system: 25-45 mA Vehicles without immobilizer system: 30 mA or less
Battery slow charge current	46B24L (36): 3.5-4.5 A
Battery quick charge current [30 min]	46B24L (36): 25 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. 3-8 V Terminal D: Turn the electrical loads (headlights, blower motor, rear window defroster, brake lights, etc.) on and verify that the voltage reading increases.
Generator generated current minimum value	70 % of the nominal output current (nominal output current: 100 A) [Ambient temp. 20°C {68°F}, voltage 13.0-15.0 V, both engine and generator are hot]
Generator rotor resistance (between slip rings) [20°C {68°F}]	1.9-2.2 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)
Firing order	Courtesy of MAZDA MOTORS CORP.
Spark plug type	NGK ILTR6A13G
Spark plug gap	Standard: 1.25-1.45 mm {0.050-0.057 in} New spark plug (reference): 1.25-1.35 mm {0.050-0.053 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	0.1 mm {0.004 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: 0.5 mm {0.02 in} Minimum: 0.2 mm {0.008 in}
Starter brush length	Standard: 12.3 mm {0.48 in} Minimum: 5.5 mm {0.22 in}
Starter brush spring force	Standard: 15.0-20.4 N {1.53-2.08 kgf, 3.38-4.58 lbf} Minimum: 2.75 N {0.28 kgf, 0.62 lbf}

Engine oil specification

ENGINE OIL SPECIFICATION

Item	U.S.A. and CANADA	Except U.S.A. and CANADA
Engine oil grade	Courtesy of MAZDA MOTORS CORP.	Courtesy of MAZDA MOTORS CORP. API SM or ILSAC
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.)