General Specifications

GENERAL SPECIFICATIONS

Crankshaft Main Bearing Bore Diameter 72.430-72.442 mm (2.8516-2.8521 inch)
Crankshaft Main Bearing Bore Out-of-Round 0.010 mm (0.0004 inch)
Crankshaft Main Rear Oil Seal Bore 115.962-116.038 mm (4.5654-4.5684 inch)
Runout 0.250 mm (0.0098 inch)
Cylinder Bore Diameter 41 mm ((1.610 inch)
Below Deck Face 92.992-93.008 mm (3.6611-3.6617 inch)
Cylinder Bore Out-of-Round
Production 0.010 mm (0.0004 inch)
Service 0.100 mm (0.0039 inch)
Cylinder Bore Taper
Production 0.010 mm (0.0004 inch)
Service 0.100 mm (0.0039 inch)
Cylinder Head Deck Height 224.55 mm (8.8406 inch)
Cylinder Head Deck Surface Flatness 0.100 mm (0.0039 inch)
Connecting Rod Bearing Clearance
Production and Service 0.0250-0.0760 mm (0.0010-0.0030 inch)
Connecting Rod Bore Diameter - Bearing End 57.136-57.152 mm (2.2495-2.2501 inch)
Connecting Rod Bore Diameter - Pin End - Early Design 21.002-21.016 mm (0.8268-0.8274 inch)
Connecting Rod Bore Diameter - Pin End - Late Design 23.002-23.014 mm (0.9056-0.9061 inch)
Connecting Rod Bore Out-of-Round - Bearing End 0.006 mm (0.0002 inch)
Connecting Rod Bore Out-of-Round - Pin End 0.005 mm (0.0002 inch)
Connecting Rod Length Center to Center 151.00 mm (5.9449 inch)
Connecting Rod Side Clearance 0.200-0.500 mm (0.0079-0.0197 inch)
Connecting Rod Straightness 0.050 mm (0.0020 inch)
Crankshaft Connecting Rod Journal Diameter 53.947-53.963 mm (2.1239-2.1245 inch)
Connecting Rod Journal Out-of-Round 0.005 mm (0.0002 inch)
Connecting Rod Journal Taper 0.005 mm (0.0002 inch)
Connecting Rod Journal Width 43.840-43.960 mm (1.7260-1.7307 inch)
Crankshaft Balancer Surface Diameter 50.730-50.870 mm (1.9972-2.0028 inch)
Hub Inside Diameter 34.847-34.864 mm (1.3719-1.3726 inch)
Crankshaft End Play 0.050-0.500 mm (0.0020-0.0197 inch)
Crankshaft Main Bearing Clearance Production 0.0150-0.0550 mm (0.0006-0.0022 inch)
Service 0.0150-0-0635 mm (0.0006-0.0025 inch)
Crankshaft Main Journal Diameter 64.350-64.366 mm (2.5335-2.5341 inch)
Crankshaft Main Journal Out-of-Round 0.005 mm (0.0002 inch)
Crankshaft Main Journal Taper 0.005 mm (0.0002 inch)
Crankshaft Main Journal Thrust Wall Runout 0.040 mm (0.0016 inch)
Crankshaft Main Journal Thrust Wall Square 0.010 mm (0.0004 inch)
Crankshaft Main Journal Width #1, #2, #4, #5 24.540-24.660 mm (0.9661-0.9709 inch)
Crankshaft Main Journal Width, Thrust #3 25.150-25.250 mm (0.9902-0.9941 inch)
Crankshaft Nose Diameter
From Front Face 0.00-21.00 mm ((0.0000-0.8268 inch) 34.500-34.750 mm (1.3583-1.3681 inch)
From Front Face 21.00-53.00 mm ((0.8268-2.0866 inch) 34.892-34.912 mm (1.3737-1.3745 inch)
From Front Face 53.00 to Rolled Fillet (2.0866-Rolled Fillet) 33.450-33.550 mm (1.3169-1.3209 inch)
From Front Face 89.94-110.54 mm ((3.5409-4.3520 inch) 44.950-45.000 mm (1.7697-1.7717 inch)
Crankshaft Nose Runout
From Front Face 0.00-21.00 mm ((0.0000-0.8268 inch) 0.100 mm (0.0039 inch)
From Front Face 21.00-53.00 mm ((0.8268-2.0866 inch) 0.030 mm (0.0012 inch)
From Front Face 53.00 to Rolled Fillet (2.0866-Rolled Fillet) 0.100 mm (0.0039 inch)
From Front Face 89.94-110.54 mm ((3.5409-4.3520 inch) 0.025 mm (0.0010 inch)
Crankshaft Rear Flange Diameter 95.880-95.980 mm (3.7748-3.7787 inch)
Runout 0.025 mm (0.0010 inch)
Crankshaft Rear Flange Face to Engine Flywheel Runout 0.025 mm (0.00 10 inch)
Crankshaft Runout
Main Journals #1, #5 0.022 mm (0.0009 inch)
Main Journals #2, #4, #6 0.025 mm (0.0010 inch)
Piston Ring End Gap First Compression Ring 0.250-0.400 mm (0.0098-0.0157 inch)
Second Compression Ring 0.350-0.050 mm (0.0138-0.0020 inch)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 inch)
Piston Ring to Groove Clearance
First Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Second Compression Ring 0.040-0.095 mm (0.0016-0.0037 inch)
Oil Control Ring None - Side Sealing
Piston Ring Thickness
First Compression Ring 1.199-1.203 mm (0.0472-0.0474 inch)
Second Compression Ring 1.499-1.504 mm (0.0590-0.0592 inch)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 inch)
Pistons and Pins Piston Piston Diameter 42 mm ((1.6353 inch) below
Crown 92.957-92.972 mm (3.6597-3.6603 inch)
Piston Pin Bore Diameter - Early Design 21.003-21.008 mm (0.8269-0.8271 inch)
Piston Pin Bore Diameter - Late Design 23.002-23.007 mm (0.9056-0.9058 inch)
Piston Ring Groove Inside Diameter First Compression Ring 84.750-85.000 mm (3.3366-3.3464 inch)
Second Compression Ring 83.400-83.650 mm (3.2835-3.2933 inch)
Oil Control Ring 85.670-85.920 mm (3.3728-3.3827 inch)
Piston Ring Groove Width
First Compression Ring 1.230-1.255 mm (0.0484-0.0494 inch)
Second Compression Ring 1.530-1.555 mm (0.0602-0.0612 inch)
Oil Control Ring 2.530-2.555 mm (0.0996-0.1006 inch)
Piston to Bore Clearance 0.020-0.051 mm (0.0008-0.0020 inch)
Pin Piston Pin Clearance to Connecting Rod Bore 0.002-0.014 mm (0.0001-0.0006 inch)
Piston Pin Clearance to Piston Pin Bore 0.002-0.012 mm (0.0001-0.0005 inch)
Piston Pin Diameter - Early Design 20.995-21,000 mm (0.8266-0.8268 inch)
Piston Pin Diameter - Late Design 22.995-23.000 mm (0.9053-0.9055 inch)
Piston Pin Length 61.500-62,000 mm (2.4213-2.4409 inch)