Engine Mechanical Specifications

Bore 93 mm (3.66 in)
Stroke 102 mm (4.02 in)
Compression Ratio 10.3:1
Block
Crankshaft Main Bearing Bore Diameter 78.070-78.088 mm (3.0760-3.0766 in)
Cylinder Bore Diameter 92.990-93.006 mm (3.6638-3.6644 in)
Cylinder Bore Out-of-Round 0.013 mm (0.0005 in)
Cylinder Head Deck Surface Flatness 0.08 mm (0.003 in)
Cylinder Liner Recession 0.015 mm (0.0006 in)
Connecting Rod
Connecting Rod Bearing Clearance 0.021-0.065 mm (0.0008-0.0025 in)
Connecting Rod Bore Diameter - Bearing End 60.322-60.338 mm (2.3749-2.3755 in)
Connecting Rod Bore Out-of-Round - Bearing End 0.005 mm (0.0002 in)
Connecting Rod Side Clearance 0.05-0.35 mm (0.0019-0.0137 in)
Crankshaft
Crankshaft End Play 0.112-0.388 mm (0.0044-0.0153 in)
Crankshaft Main Bearing Clearance 0.012-0.064 mm (0.0004-0.0025 in)
Crankshaft Main Journal Diameter 69.968-69.984 mm (2.7567-2.7574 in)
Crankshaft Rod Journal Diameter 56.7 mm (2.234 in)
Crankshaft Main Journal Out-of-Round 0.005 mm (0.0002 in)
Crankshaft Main Journal Taper 0.005 mm (0.0002 in)
Piston Rings
Piston Ring End Gap
First Compression Ring 0.15-0.3 mm (0.0059-0.0118 in)
Second Compression Ring 0.36-0.51 mm (0.0142-0.0201 in)
Oil Control Ring 0.250-0.760 mm (0.0098-0.0299 in)
Piston Ring to Groove Clearance
First Compression Ring 0.043-0.093 mm (0.0017-0.0037 in)
Second Compression Ring 0.043-0.093 mm (0.0017-0.0037 in)
Oil Control Ring 0.059-0.215 mm (0.0023-0.0085 in)
Pistons and Pins
Piston - Piston Diameter 92.971-93.005 mm (3.6603-3.6616 in)
Piston - Piston Pin Bore Diameter 23.502-23.508 mm (0.9259-0.9262 in)
Piston - Piston to Bore Clearance -0.015-0.035 mm (-0.0006-0.0014 in)
Pin - Piston Pin Clearance to Connecting Rod Bore 0.001-0.018 mm (0.0004-0.0007 in)
Pin - Piston Pin Clearance to Piston Pin Bore 0.003-0.012 mm (0.00012-0.0005 in)
Pin - Piston Pin Diameter 23.496-23.499 mm (0.9257-0.9258 in)