11 00 Engine in general
| Cylinder | 4 | |
|---|---|---|
| Bore | Mm | 77 (3.03) |
| Stroke | Mm | 85.8 (3.377) |
| Effective displacement | Cm 3 | 1598 |
| Compression ratio (W10) | 1 | 10.5 |
| Compression ratio (W11) | 1 | 8.3 |
| Maximum permissible speed (fuel shutoff) | Rpm | 7000 |
| Permissible continuous speed (red area) | Rpm | 6750 |
| Compression pressure (approximately equal for all Cylinders) (W10) | Bar | 11.5-17.0 |
| Compression pressure (approximately equal for all Cylinders) (W11) | Bar | 9.0-13.5 |
ENGINE IN GENERAL
Information is identical to 11 00 ENGINE IN GENERAL .
11 31 Camshaft
Information is identical to 11 31 CAMSHAFT .
11 24 Connecting Rods and Bearings
Information is identical to 11 24 CONNECTING RODS AND BEARINGS .
11 21 Crankshaft and Bearings
Information is identical to 11 21 CRANKSHAFT AND BEARINGS .
Information is identical to 11 21 CRANKSHAFT AND BEARINGS .
11 12 Cylinder Head with Cover
Information is identical to 11 12 CYLINDER HEAD WITH COVER .
11 12 Cylinder Head with Valve Seat Cover
Information is identical to 11 12 CYLINDER HEAD WITH VALVE SEAT COVER .
11 11 Engine Block (crankcase)
| Bore dia. a) | Mm | 76.992-77.008 |
|---|---|---|
| Permitted out-of-round of cylinder bore a) | Mm | 0.0076 |
| Permitted conicity of cylinder bore a) | Mm | 0.051 |
| Permissible total wear tolerance between piston and cylinder (engine operated) | Mm | 0.10 |
ENGINE BLOCK (CRANKCASE) SPECIFICATIONS
11 25 Pistons with Rings and Pins
Information is identical to 11 25 PISTONS WITH RINGS AND PINS .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS .
11 34 Valves with Springs
Information is identical to 11 34 VALVES WITH SPRINGS .
Information is identical to 11 31 CAMSHAFT .
Information is identical to 11 24 CONNECTING RODS AND BEARINGS .
Information is identical to 11 21 CRANKSHAFT AND BEARINGS .
Information is identical to 11 21 CRANKSHAFT AND BEARINGS .
11 12 Cylinder Head with Cover0
| Inside diameter of installed valve guide | Mm | 5.975-6.000 |
|---|---|---|
| Running clearance between valve and valve guide | ||
| Inlet | Mm | 0.048-0.066 |
| Exhaust | Mm | 0.074...0.094 |
| Maximum running clearance between valve and valve guide (inlet) | Mm | 0.076 |
| Maximum running clearance between valve and valve guide (exhaust) | Mm | 0.101 |
| Wear limit (inlet) | Mm | 0.25 |
| Wear limit (exhaust) | Mm | 0.25 |
CYLINDER HEAD WITH COVER SPECIFICATIONS
| Valve seat angle | ° | 45 |
|---|---|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 75 |
| Valve seat width: Inlet | Mm | 1.15-1.48 |
| Valve seat width: outer | Mm | 1.47-1.80 |
| Valve seat bore diameter | ||
| Valve seat surface: Outside dia. inlet | Mm | 31.9 +0.1 |
| Valve seat surface: Outside dia. exhaust | Mm | 25.2 +0.1 |
CYLINDER HEAD WITH VALVE SEAT COVER W10 SPECIFICATIONS
| Valve seat angle | ° | 45 |
|---|---|---|
| Correction angle: outer | ° | 15 |
| Correction angle: inner | ° | 65.25 |
| Valve seat width: Inlet | Mm | .90-1.30 |
| Valve seat width: outer | Mm | .90-1.30 |
| Valve seat bore diameter | ||
| Valve seat surface: Outside dia. inlet | Mm | 30.000 |
| Valve seat surface: Outside dia. exhaust | Mm | 23.000 |
CYLINDER HEAD WITH VALVE SEAT COVER W11 SPECIFICATIONS
Information is identical to 11 25 PISTONS WITH RINGS AND PINS .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS .
Information is identical to 11 34 VALVES WITH SPRINGS .
Information is identical to 11 31 CAMSHAFT .
Information is identical to 11 24 CONNECTING RODS AND BEARINGS .
| Diameters of main journals | Mm | 47.922-48.008 |
|---|---|---|
| Radial play of main bearings | Mm | 0.022-0.062 |
| Radial play of main bearings (wear limit) | Mm | 0.70 |
| Axial play of crankshaft | Mm | 0.090-0.240 |
| Axial play of crankshaft (wear limit) | Mm | 0.30 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS (MAIN)
| Diameters of conrod bearing journals (W10) | Mm | 43.992-44.008 |
|---|---|---|
| Diameters of conrod bearing journals (W11) | Mm | 45.992-46.008 |
| Radial play of conrod bearings | Mm | 0.023-0.067 |
| Radial play of conrod bearings (wear limit) | Mm | 0.070 |
CRANKSHAFT AND BEARINGS SPECIFICATIONS (CONROD)
11 25 Pistons with Rings and Pins R50
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
11 34 Valves with Springs R50
Information is identical to 11 34 VALVES WITH SPRINGS R50 .
11 31 Camshaft R50
Information is identical to 11 31 CAMSHAFT R50 .
| Conrod bushing: Inside diameter (W10) | Mm | 18.96-18.98 |
|---|---|---|
| Conrod bushing: Inside diameter (W11) | Mm | 21.009-21.019 |
| Running clearance between small-end bushing and piston pin | Mm | 0.023-0.067 |
| Wear | Limit mm 0.07 |
CONNECTING RODS AND BEARINGS SPECIFICATIONS
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
Information is identical to 11 34 VALVES WITH SPRINGS R50 .
Information is identical to 11 31 CAMSHAFT R50 .
| Pistons and pins are matched - only replace together in pairs | ||
|---|---|---|
| Measuring point "A" (position) | Mm | |
| Piston diameter at measuring point "A" | ||
| Original (new dimension) | Mm | 76.956-76.974 |
| Piston running clearance | Mm | 0.018-0.52 |
| Permissible total play between piston and cylinder (engine operated) | Mm | 0.15 |
PISTONS WITH RINGS AND PINS R50 SPECIFICATIONS
| 1st groove | ||
|---|---|---|
| End clearance | Mm | 0.20-0.36 |
| Contact clearance (wear limit) | Mm | 0.8 |
| Axial play | Mm | 0.025-0.065 |
| 2nd groove | ||
| End clearance | Mm | 0.25-0.46 |
| Contact clearance (wear limit) | Mm | 1.0 |
| Axial play | Mm | 0.025-0.065 |
| 3rd groove | ||
| End clearance | Mm | 0.20-0.58 |
| Contact clearance (wear limit) | Mm | 1.0 |
| Axial play | Mm | 0.004-0.178 |
PISTONS WITH RINGS AND PINS SPECIFICATIONS
Information is identical to 11 34 VALVES WITH SPRINGS R50 .
11 00 Engine in general R50 / W10 / COOPER
Information is identical to 11 00 ENGINE IN GENERAL R50 / W10 / COOPER .
| Diameters of bearings | Mm | 25.290-25.309 |
|---|---|---|
| Radial runout | Mm | 0.053-0.093 |
| Wear limit: Radial runout | Mm | 0.12 |
| Axial play | Mm | 0.05-0.095 |
| Wear limit: Axial play | Mm | 0.40 |
CAMSHAFT SPECIFICATIONS
| Stem bore diameter | ||
|---|---|---|
| Inlet | Mm | 5.934-5.952 |
| Exhaust | Mm | 5.934-5.952 |
| Valve (length) | ||
| Inlet | Mm | 108.72-109.22 |
| Exhaust | Mm | 117.57-118.07 |
VALVES WITH SPRINGS W10 SPECIFICATIONS
| Stem bore diameter | ||
|---|---|---|
| Inlet | Mm | 5.934-5.952 |
| Exhaust | Mm | 5.906-5.924 |
| Exhaust | Mm | 5.934-5.952 |
| Valve (length) | ||
| Inlet | Mm | 109.53 |
| Exhaust | Mm | 118.33 |
VALVES WITH SPRINGS W11 SPECIFICATIONS
11 40 Oil Supply R50 / W10
| Oil grades and consumption: refer to appropriate OPERATING FLUIDS article in GENERAL INFORMATION. | ||
|---|---|---|
| Oil change volume with oil filter (W10) | Liters | 4.5 |
| Oil change volume with oil filter (W11) | Liters | 4.8 |
OIL SUPPLY SPECIFICATIONS
Information is identical to 11 31 CAMSHAFT R50 .
11 24 Connecting Rods and Bearings R50
Information is identical to 11 24 CONNECTING RODS AND BEARINGS R50 .
11 21 Crankshaft and Bearings R50
Information is identical to 11 21 CRANKSHAFT AND BEARINGS R50 .
Information is identical to 11 21 CRANKSHAFT AND BEARINGS R50 .
11 12 Cylinder Head with Cover R50
Information is identical to 11 12 CYLINDER HEAD WITH COVER R50 .
11 12 Cylinder Head with Valve Seat Cover R50
Information is identical to 11 12 CYLINDER HEAD WITH VALVE SEAT COVER R50 .
11 11 Engine Block (crankcase) R50
Information is identical to 11 11 ENGINE BLOCK (CRANKCASE) R50 .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
Information is identical to 11 25 PISTONS WITH RINGS AND PINS R50 .
Information is identical to 11 34 VALVES WITH SPRINGS R50 .
11 41 Oil Pump with Suction Element and Drive
| Oil pressure at idle speed and engine at operating temperature | Bar | 0.25 |
|---|---|---|
| Oil pressure at 3000 rpm | Bar | 1.7 - 5.5 |
OIL PUMP WITH SUCTION ELEMENT AND DRIVE SPECIFICATIONS