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. |
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 |