Contents Section: Mechanical All sections

Engine - Technical Data - r57 (n14) MINI Cooper Clubman I рестайлинг

Mechanical ~140 words

11 31 Camshaft N14

Diameters of bearingsMm23.979... 23.995
Radial runoutMm0.037... 0.073
Wear limit: Radial runoutMm0.10
Axial playMm0.040... 0.090
Wear limit: Axial playMm0.25

CAMSHAFT SPECIFICATION

11 24 Connecting Rods and Bearings N14

Conrod bushing: Inside diameterMm20.007... 20.020
Running clearance between small-end bushing and piston pinMm0.014... 0.025
Wear limitMm0.05

CONNECTING RODS AND BEARINGS SPECIFICATION

11 21 Crankshaft and Bearings N14

Diameters of main journalsMm44.981... 45.000
Radial play of main bearingsMm0.026... 0.043
Radial play of main bearings (wear limit)Mm0.070
Axial play of crankshaftMm0.015... 0.050
Axial play of crankshaft (wear limit)Mm0, 30

CRANKSHAFT AND BEARINGS SPECIFICATION

11 21 Conrod Bearings N14

Diameters of conrod bearing journalsMm40.975... 40.991
Radial play of conrod bearingsMm0.022... 0.066
Radial play of conrod bearings (wear limit)Mm0, 080

CRANKSHAFT AND BEARINGS SPECIFICATION

11 12 Cylinder Head with Cover N14

The cylinder head sealing face must not be remachined
Inside diameter of installed valve guideMm5.000... 5.012
Running clearance between valve and valve guide
IntakeMm0.025... 0.047
ExhaustMm0.033... 0.060
Maximum running clearance between valve and valve guide
Wear limit: IntakeMm0.08
Wear limit: ExhaustMm0.10

CYLINDER HEAD WITH COVER SPECIFICATION

11 12 Cylinder Head with Valve Seat Cover N14

Valve seat angle°45
Correction angle: outer°15
Correction angle, inlet: inner°60
Correction angle, exhaust: inner°75
Valve seat width: IntakeMm1.0... 1.2
Valve seat width: ExhaustMm1.2... 1.6
Valve seat
Valve seat surface: Outside dia. inletMm28.8 ± 0.2
Valve seat surface: Outside dia. exhaustMm26, 2 ± 0, 2

CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATION

11 11 Engine Block, Cylinder Crankcase N14

Bore dia. (1)Mm77.000... 77.014
Permitted out-of-round of cylinder bore (1)Mm0.005
Permitted conicity of cylinder bore (1)Mm0.01
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10
(1) new condition
(1)New condition

ENGINE BLOCK, CYLINDER CRANKCASE SPECIFICATION

11 00 Engine in general N14

Cylinder4
BoreMm73, 0
StrokeMm85, 8
Effective displacementCm 31598
Compression ratio110.5
Idle speedRPM720... 820
Rated speedRPM4000
Max. permissible engine speedRPM6500
Compression pressureBar8...12
Compression pressure (maximum difference between cylinders)Bar3

ENGINE IN GENERAL SPECIFICATION

11 41 Oil Pump with Strainer and Drive N14

Oil pressure at idle (engine at normal operating temperature)Min bar0.7
Control pressure at 3000 RPM (engine at normal operating temperature)Bar1.7...3.0

OIL PUMP WITH STRAINER AND DRIVE SPECIFICATION

11 25 Pistons with Rings and Pins N14

1st groove
End clearanceMm0.25... 0.35
Contact clearance (wear limit)Mm0.91
Axial playMm0.030... 0.070
2nd groove
End clearanceMm0.35... 0.50
Contact clearance (wear limit)Mm1.06
Axial playMm0.030... 0.070
3rd groove
End clearanceMm0.10... 0.35
Contact clearance (wear limit)Mm0.82
Axial playMm0.030... 0.070

PISTONS WITH RINGS AND PINS SPECIFICATION

Piston and pin are paired to each other - replace together only.
Measuring point "A" (position)Mm10
Piston diameter at measuring point "A"
Original (new dimension)Mm76.941... 76.959
Piston running clearanceMm0.041... 0.064
Permissible total wear tolerance between piston and cylinder (engine operated)Mm0.10

PISTONS WITH RINGS AND PINS SPECIFICATION

11 34 Valves with Springs N14

Valve clearance at max. 35°C coolant temperature
Stem
IntakeMm4.9605... 4.9755
ExhaustMm4.9525... 4.9675

VALVES WITH SPRINGS SPECIFICATION