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Technical Specifications: Specifications

GENERAL SPECIFICATIONS

DESCRIPTION SPECIFICATION
Type SOHC I-4 16-Valve MultiAir Turbocharged
Lead Cylinder #1 Timing Drive End
Firing Order 1 - 3 - 4 - 2
ENGINE DATA

  1.4 MultiAir Turbo 140CV 1.4 MultiAir Turbo 136CV 1.4 MultiAir Turbo 170CV
Bore (mm) 72.0 72.0 79.5
Stroke (mm) 84.0 84.0 84.0
Total displacement (cm3) 1368 1368 1368
Maximum power (kW EEC) 103 100 125
Maximum power (CV EEC) 140 136 170
Max. power (rpm) 5000 5000 5500
Maximum torque (Nm EEC) 230 230 250
Maximum torque (kgm EEC) 23.5 23.5 25.5
Maximum torque (rpm) 1750 1750 2500
Idle speed (rpm) 750 ± 50 750 ± 50 750 ± 50
Compression ratio 10:1 10:1 10:1
CYLINDER BLOCK

Description Specification
Metric Standard
Cylinder Bore Diameter - Class A 72.000 - 72.010 mm 2.8346 - 2.8350 in.
Cylinder Bore Diameter - Class B 72.010 - 72.020 mm 2.8350 - 2.8354 in.
Cylinder Bore Diameter - Class C 72.020 - 72.030 mm 2.8354 - 2.8358 in.
Cylinder Bore Roundness (Ovality) ± 0.05 mm ± 0.002 in.
Flatness - Cylinder Head Gasket Surface < 0.1 mm < 0.004 in.
Cylinder Bore Taper ± 0.005 mm ± 0.0002 in.
PISTONS

Description Specification
Metric Standard
Material Cast Aluminum Alloy
Piston Diameter - Class A* 71.960 - 71.970 mm 2.8331 - 2.8835 in.
Piston Diameter - Class B* 71.970 - 71.980 mm 2.8835 - 2.8339 in.
Piston Diameter - Class C* 71.980 - 71.990 mm 2.8339 - 2.8342 in.
Clearance at Size Location 0.030 - 0.050 mm 0.0012 - 0.0020 in.
Piston Weight Variation ± 5.0 grams ± 0.18 oz.
Piston Pin Bore 17.982 - 17.986 mm 0.7080 - 0.7081 in.
Piston Ring Groove Width - No. 1 1.020 - 1.040 mm 0.0402 - 0.0409 in.
Piston Ring Groove Width - No. 2 1.210 - 1.230 mm 0.0486 - 0.0484 in.
Piston Ring Groove Width - No. 3 2.010 - 2.030 mm 0.0791 - 0.0799 in.
*Measured perpendicular to piston pin bore, 0.9 mm (0.35 in.) from base of piston skirt
PISTON PINS

Description Specification
Metric Standard
Type Floating
Pin Diameter 17.970 - 17.974 mm 0.7075 - 0.7076 in.
Clearance in Piston 0.008 - 0.016 mm 0.0003 - 0.0006 in.
PISTON RING END GAP

Description Specification
Metric Standard
Number 1 Ring (Top) 0.20 - 0.35 mm 0.008 - 0.014 in.
Number 2 Ring (Center) 0.40 - 0.60 mm 0.016 - 0.024 in.
Oil Control Ring (Bottom) 0.20 - 0.40 mm 0.008 - 0.016 in.
PISTON RING SIDE CLEARANCE

Description Specification
Metric Standard
Number 1 Ring (Top) 0.030 - 0.070 mm 0.0012 - 0.0028 in.
Number 2 Ring (Center) 0.020 - 0.060 mm 0.0008 - 0.0024 in.
Oil Control Ring (Bottom) 0.020 - 0.055 mm 0.0008 - 0.0022 in.
PISTON RING WIDTH

Description Specification
Metric Standard
Number 1 Ring (Top) 0.970 - 0.990 mm 0.0382 - 0.0390 in.
Number 2 Ring (Center) 1.170 - 1.190 mm 0.0461 - 0.0469 in.
Oil Control Ring (Bottom) 1.975 - 1.990 mm 0.0778 - 0.0783 in.
CONNECTING RODS

Description Specification
Metric Standard
Crank Journal Bearing Clearance 0.024 - 0.060 mm 0.0009 - 0.0024 in.
Crank Journal Bore Diameter 45.128 - 45.138 mm 1.7767 - 1.7771 in.
Piston Pin Bore Diameter 17.993 - 18.000 mm 0.7084 - 0.7087 in.
CRANKSHAFT MAIN BEARING JOURNALS

Description Specification
Metric Standard
Diameter - Class A 47.994 - 48.000 mm 1.8895 - 1.8898 in.
Diameter - Class B 47.988 - 47.994 mm 1.8893 - 1.8895 in.
Diameter - Class C 47.982 - 47.988 mm 1.8890 - 1.8893 in.
Bearing Clearance 0.025 - 0.040 mm 0.0010 - 0.0016 in.
End Play 0.155 - 0.355 mm 0.0061 - 0.0140 in.
Maximum Out-of-Round 0.127 mm 0.005 in.
CRANKSHAFT CONNECTING ROD JOURNALS

Description Specification
Metric Standard
Diameter 41.990 - 42.008 mm 1.6531 - 1.6539 in.
Bearing Clearance 0.024 - 0.060 mm 0.0009 - 0.0024 in.
Maximum Out-of-Round 0.127 mm 0.005 in.
CAMSHAFT

Description Specification
Metric Standard
Bearing Journal Diameter 26.000 - 26.015 mm 1.0236 - 1.0242 in.
Lobe Lift - Exhaust 7.5 mm 0.295 in.
End Play 0.100 - 0.250 mm 0.004 - 0.010 in.
VALVE TIMING - MULTIAIR PUMPING ELEMENTS

Description Specification
Opens 11° (BTDC)
Closes 58° (ABDC)
Duration 249°
Centerline 125°
Note: Units are in crank degrees.
VALVE TIMING - EXHAUST VALVES

Description Specification
Opens 34° (BBDC)
Closes 2° (ATDC)
Duration 216°
Note: Units are in crank degrees.
CYLINDER HEAD

Description Specification
Metric Standard
Cylinder Head Height 77 mm 3.03 in.
Flatness - Cylinder Block Gasket Surface < 0.1 mm < 0.004 in.
Combustion Chamber Volume 14.30 ml 0.484 oz.
Valve Guide Bore Diameter 6.022 - 6.040 mm 0.2371 - 0.2378 in.
VALVES

Description Specification
Metric Standard
Head Diameter - Intake 26.75 - 27.05 mm 1.053 - 1.065 in.
Head Diameter - Exhaust 22.25 - 22.55 mm 0.876 - 0.888 in.
Stem Diameter - Intake 5.982 - 6.000 mm 0.2355 - 0.2362 in.
Stem Diameter - Exhaust 5.974 - 5.992 mm 0.2352 - 0.2359 in.
Stem-to-Guide Clearance - Intake 0.022 - 0.058 mm 0.0009 - 0.0023 in.
Stem-to-Guide Clearance - Exhaust 0.030 - 0.066 mm 0.0012 - 0.0026 in.
VALVE SPRING

Description Specification
Metric Standard
Free Length - Intake and Exhaust 47.6 mm 1.87 in.
Length @ Spring Force - Intake and Exhaust 35.2 mm @ 197 - 211 N 1.39 in. @ 44 - 47 lbs.
Length @ Spring Force - Intake and Exhaust 27.2 mm @ 380 - 416 N 1.07 in. @ 85 - 94 lbs.
OIL PUMP

Description Specification
Metric Standard
Pressure @ Curb Idle Speed* > 0.7 bar > 10 psi
Pressure @ 4000 RPM* > 4.0 bar > 58 psi
*At Normal Operating Temperatures
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