Contents Section: Mechanical All sections

Engine - Technical Data - r55 & r56 (n14) MINI Cooper Clubman I

11 00 Engine in general N14

Cylinder4
BoreMm73.0
StrokeMm85.8
Effective displacementCm 31598
Compression ration110.5
Idle speedRPM720... 820
Rated speedRPM4000
Max. permissible engine speedRPM6500

ENGINE GENERAL 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 AND CYLINDER CRANKCASE SPECIFICATION

11 21 Crankshaft and Bearings N14

Diameters of main journalsMm44.981... 45.000
Radial play of main bearingsMm0.013... 0.023
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

Diameters of conrod bearing journalsMm44.975... 44.991
Radial play of conrod bearingsMm0.021... 0.063
Radial play of conrod bearings (wear limit)Mm0.080

CRANKSHAFT AND BEARINGS 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 25 Pistons with Rings and Pins N14

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 SPECIFICATION

11 40 Oil Supply N14

Oil change volume with oil filterLtr.4.2

OIL SUPPLY 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 SPECIFICATION