Mechanical Specifications

MECHANICAL SPECIFICATIONS

Block
Crankshaft Main Bearing Bore Diameter 72.867-72.881 mm (2.8688-2.8693 inch)
Cylinder Bore Diameter 93.992-94.008 mm (3.7005-3.7011 inch)
Cylinder Bore Out-of-Round - Production Max. 0.013 mm (0.0005 inch)

Camshaft
Camshaft Bearing Inside Diameter - Front Number 1 35.000-35.020 mm (1.3779-1.3787 inch)
Camshaft Bearing Inside Diameter - Middle and Rear Number 2-4 27.000-27.020 mm (1.0630-1.0638 inch)
Camshaft End Play 0.045-0.215 mm (0.0018-0.0085 inch)
Camshaft Journal Diameter - Front Number 1 34.936-34.960 mm (1.3754-1.3764 inch)
Camshaft Journal Diameter - Middle and Rear Number 2-4 26.936-26.960 mm (1.0605-1.0614 inch)
Camshaft Journal Out-of-Round 0.006 mm (0.0002 inch)
Camshaft Journal to Bore Clearance 0.040-0.084 mm (0.0016-0.0033 inch)
Camshaft Lobe Duration - Exhaust @ 0.150 mm ((0.0059 inch) Lift 238 degrees
Camshaft Lobe Duration - Intake @ 0.150 mm ((0.0059 inch) Lift 237 degrees
Camshaft Lobe Lift - Exhaust 42.425-42.725 mm (1.6703-1.6821 inch)
Camshaft Lobe Lift - Intake 42.385-42.685 mm (1.6687-1.6805 inch)
Camshaft Lobe Overlap @ 0.150 mm ((0.0059 inch) Lift 0 degrees
Camshaft Runout - Front and Rear Number 1 and 4 0.025 mm (0.0010 inch)
Camshaft Runout - Middle 2 and 3 0.050 mm (0.0020 inch)
Camshaft Timing @ 0.15 mm ((0.0059 inch) Lift
Valve Opens - Exhaust -229 degrees BTDC
Valve Opens - Intake 14 degrees BTDC
Centerline - Exhaust 111 degrees BTDC
Centerline - Intake 132 degrees ATDC
Valve Closes - Exhaust 9 degrees ATDC
Valve Closes - Intake 251 degrees ATDC
Valve Lift - Exhaust 10.8 mm (0.4252 inch)
Valve Lift - Intake 10.8 mm (0.4252 inch)

Connecting Rod
Connecting Rod Bearing Clearance 0.010-0.070 mm (0.0004-0.0028 inch)
Connecting Rod Bore Diameter - Bearing End 59.620-59.636 mm (2.3472-2.3479 inch)
Connecting Rod Bore Diameter - Pin End 24.007-24.021 mm0.9452-0.9457 inch)
Connecting Rod Length - Center to Center 150.400 mm (5.9212 inch)
Connecting Rod Side Clearance 0.095-0.355 mm (0.0374-0.0140 inch)
Connecting Rod Width - Bearing End
Production 21.775 mm (0.8573 inch)
Service 21.725-21.825 mm0.8553-0.8593 inch)
Connecting Rod Width - Pin End
Production 21.775 mm (0.8573 inch)
Service 21.725-21.825 mm (0.8553-0.8593 inch)

Crankshaft
Connecting Rod Journal Diameter 55.992-56.008 mm (2.2044-2.2050 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

Piston Rings

Piston Ring End Gap
First Compression Ring 0.150-0.300 mm (0.0059-0.0118 inch)
Second Compression Ring 0.280-0.480 mm (0.0110-0.0189 inch)
Oil Control Ring 0.150-0.600 mm (0.0059-0.0236 inch)

Piston Ring to Groove Clearance
First Compression Ring 0.030-0.065 mm (0.0012-0.0026 inch)
Second Compression Ring 0.015-0.060 mm (0.0006-0.0024 inch)
Oil Control Ring 0.030-0.170 mm (0.0012-0.0067 inch)

Piston Ring Thickness
First Compression Ring 1.175-1.190 mm (0.0463-0.0469 inch)
Second Compression Ring 1.470-1.495 mm (0.0579-0.0589 inch)
Oil Control Ring 2.360-2.480 mm (0.0929-0.0976 inch)

Pistons and Pins

Piston
Piston Diameter 93.956-93.974 mm (3.6990-3.6998 inch)
Piston Pin Bore Diameter 24.004-24.009 mm (0.9450-0.9452 inch)
Piston Ring Groove Width - First Compression Ring 1.220-1.240 mm (0.0480-0.0488 inch)
Piston Ring Groove Width - Second Compression Ring 1.510-1.530 mm (0.0595-0.0602 inch)
Piston Ring Groove Width - Oil Control Ring 2.510-2.530 mm (0.0988-0.0996 inch)
Piston to Bore Clearance 0.026-0.052 mm (0.0010-0.0021 inch)

Pin
Piston Pin Clearance to Connecting Rod Bore 0.007-0.024 mm (0.0003-0.0010 inch)
Piston Pin Clearance to Piston Pin Bore 0.004-0.012 mm (0.0002-0.0005 inch)
Piston Pin Diameter 23.997-24.000 mm (0.9448-0.9449 inch)
Piston Pin Length 60.600-61.100 mm (2.3858-2.4055 inch)
Production 22.000 mm (0.8661 inch)
Service 21.920-22.080 mm (0.8630-0.8693 inch)
Crankshaft End Play 0.100-0.330 mm (0.0039-0.0130 inch)
Crankshaft Main Bearing Clearance 0.010-0.060 mm (0.0004-0.0024 inch)
Crankshaft Main Journal Diameter 67.992-68.008 mm (2.6768-2.6775 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 0.000-0.040 mm (0.0000-0.0016 inch)
Square 0.000-0.010 mm0.0000-0.0004 inch)
Crankshaft Main Journal Width, #2, 4
Production 24.000 mm (0.9449 inch)
Service 23.900-24.100 mm0.9409-0.9488 inch)
Crankshaft Main Journal Width, #3
Production 24.400 mm (0.9606 inch)
Service 24.360-24.440 mm (0.9591-0.9622 inch)
Crankshaft Pilot Bearing Bore Diameter 20.965-20.995 mm (0.8254-0.8266 inch)
Crankshaft Rear Flange Runout 0.025 mm (0.0010 inch)
Crankshaft Reluctor Ring Runout - Maximum 1.500 mm (0.0591 inch)
Crankshaft Runout 0.030 mm (0.0012 inch)
Crankshaft Thrust Bearing Clearance 0.076-0.305 mm (0.0030-0.0120 inch)
Crankshaft Thrust Surface - Height Diameter 95.000 mm (3.7401 inch)
Crankshaft Thrust Surface Runout 0.040 mm (0.0016 inch)