Engine Mechanical Specifications

GENERAL SPECIFICATIONS

Cylinder Bore Diameter
Coefficient 8 87.475 - 87.485 mm (3.4439 - 3.4443 inch)
Coefficient 99 87.485 - 87.495 mm (3.4443 - 3.4447 inch)
Coefficient 00 87.495 - 87.505 mm (3.4447 - 3.4451 inch)
Coefficient 01 87.505 - 87.515 mm (3.4451 - 3.4455 inch)
Coefficient 02 87.515 - 87.525 mm (3.4455 - 3.4459 inch)
Cylinder Bore Out-of-Round 0.065 mm (0.0026 inch)
Cylinder Bore Taper 0.0065 mm (0.0003 inch)
Cylinder Head Deck Height 221 mm (8.700 inch)
Cylinder Head Deck Surface Flatness 0.025 mm per 100 mm (0.0010 inch per 3.917 inch)

Connecting Rod
Connecting Rod Bearing Clearance 0.021 - 0.061 mm (0.0008 - 0.0024 inch)
Connecting Rod Bore Diameter - Bearing End 57.000 - 57.012 mm (2.2445 - 2.2446 inch)
Connecting Rod Bore Diameter - Pin End 24.000 - 24.021 mm (0.9445 - 0.9457 inch)
Connecting Rod Bore Out-of-Round - Bearing End 0.003 mm (0.0001 inch)
Connecting Rod Length 148 mm (5.83 inch)
Connecting Rod Side Clearance 0.07 - 0.028 mm (0.0027 - 0.0110 inch)

Crankshaft
Connecting Rod Journal Diameter 67.980 - 67.996 mm (2.6764 - 2.6770 inch)
Connecting Rod Journal Out-of-Round 0.03 mm (0.0012 inch)
Crankshaft End Play 0.100 - 0.202 mm (0.0039 - 0.00795 inch)
Crankshaft Main Bearing Clearance 0.014 - 0.043 mm (0.00055 - 0.00169 inch)
Crankshaft Main Journal Diameter 67.980 - 67.746 mm (2.676 - 2.667 inch)
Crankshaft Main Journal Out-of-Round 0.03 mm (0.00119 inch)
Crankshaft Main Bearing Bore Diameter 72.000 - 72.013 mm (2.8347 - 2.83516 inch)
Crankshaft Main Bearing Bore Out-of-Round 0.02 mm (0.0008 inch)

Piston Ring End Gap
First Compression Ring 0.30 - 0.50 mm (0.0118 - 0.0196 inch)
Second Compression Ring 0.30 - 0.50 mm (0.0118 - 0.0196 inch)
Oil Control Ring 0.4 - 1.4 mm (0.00013 - 0.0551 inch)

Piston Ring to Groove Clearance
First Compression Ring 0.02 - 0.06 mm (0.00079 - 0.0024 inch)
Second Compression Ring 0.02 - 0.04 mm (0.00079 - 0.0024 inch)
Oil Control Ring 0.02 - 0.04 mm (0.00079 - 0.0024 inch)

Piston Ring Thickness
First Compression Ring 1.5 mm (0.0590 inch)
Second Compression Ring 1.5 mm (0.0590 inch)
Oil Control Ring 3.0 mm (0.1181 inch)

Piston
Piston Diameter
Coefficient 8 87.440 - 87.450 mm (3.4425 - 3.4429 inch)
Coefficient 99 87.450 - 87.460 mm (3.4429 - 3.4433 inch)
Coefficient 00 87.460 - 87.470 mm (3.4433 - 3.4437 inch)
Coefficient 01 87.470 - 87.480 mm (3.4437 - 3.4441 inch)
Coefficient 02 87.480 - 87.490 mm (3.4441 - 3.4445 inch)
Piston Pin Bore Diameter 21.001 - 21.005 mm (0.8268 - 0.8270 inch)
Piston to Bore Clearance 0.025 - 0.045 mm (0.0010 - 0.0018 inch)

Pin
Piston Pin Clearance to Connecting Rod Bore 0.001 - 0.015 mm (0.0004 - 0.0006 inch)
Piston Pin Diameter 20.990 - 21.000 mm (0.8264 - 0.8268 inch)