System Specifications

Surface Variation - Head-to-Block

Cylinder head must be flat within:
Standard dimension = less than 0.05 mm (0.002 inch.)
Service Limit = 0.2 mm (0.008 inch.)
Grinding Limit = Maximum of 0.2 mm (0.008 inch.) is permitted.

Deck surface must be within service limit of 0.1 mm (0.004 in.)


CYLINDER BORE

Cylinder Bore Diameter 86.0 mm ± 0.0076 (3.3859 in. ± 0.0003)
Out of Round (Max.) 0.076 mm (0.003 in.)
Taper (Max.) 0.051 mm (0.002 in.)

CRANKSHAFT MAIN BEARING

Diameter 63.49-63.51 mm (2.4997-2.5004 in.)
Bearing Clearance 0.032-0.056 mm (0.0012-0.0022 in.)
Bearing Clearance (Max) (Wear Limit) 0.070 mm (0.0028 in.)
Out of Round (Max) 0.008 mm (0.0003 in.)
Diametrical Taper (Max) 0.010 mm (0.0004 in.)
End Play 0.048-0.260 mm (0.002-0.010 in.)
End Play (Max) 0.37 mm (0.015 in.)

MAIN BEARING SELECTION CHART





MAIN BEARING CAP TORQUE & SEQUENCE

Crankshaft Main Bearing Cap - Tie Bolts 28 Nm (250 in. lbs)
Crankshaft Main Bearing Cap - Outer Cap Bolts 27 Nm (20 ft. lbs) +1/4 Turn
Crankshaft Main Bearing Cap - Inner Cap Bolts 20 Nm (15 ft. lbs)+1/4 Turn


CONNECTING RODS

Side Clearance 0.13-0.38 mm (0.0052-0.015 in.)
Side Clearance (Max.) 0.4318 mm (0.017 in.)
Bearing Bore Out of Round (Max.) 0.004 mm (0.0002 in.)
Total Weight (Less Bearing) 529.9 ±7 grams (18.6917 ±0.247 oz.)

Connecting Rod Journals
Diameter 53.51-53.49 mm (2.1067-2.106 in.)
Bearing Clearance 0.030-0.065 mm (0.0012-0.0026 in.)
Bearing Clearance (Wear Limit) 0.075 mm (0.0030 in.)
Out of Round (Max) 0.008 mm (0.0003 in.)
Diametrical Taper (Max) 0.010 mm (0.0004 in.)

PISTON DIMENSIONS AND CLEARANCES

Piston Diameter 85.983 mm ±0.019 (3.3851 in. ±0.0017)
Clearance at Size Location -0.0096 to +0.0436 mm (-0.0003 to +0.0016 in.)
Piston Weight 316-326 grams (11.1466-11.4994 oz.)
Piston Ring Groove Diameter-No.1 77.8-78 mm (3.063-3.070 in.)
Piston Ring Groove Diameter-No.2 75.9-76.1 mm (2.988-2.996 in.)
Piston Ring Groove Diameter-No.3 76.5-76.7 mm (3.011-3.019 in.)

PISTON RING GAP & GROOVE CLEARANCE
Ring Gap:
Top Compression Ring 0.20-0.36 mm (0.008-0.014 in.)
2nd Compression Ring 0.37-0.63 mm (0.0146-0.0249 in.)
Oil Control (Steel Rails) 0.25-0.76 mm (0.010-0.030 in.)

Ring Side Clearance:
Compression Ring-Top 0.035-0.083 mm (0.0013-0.0032 in.)
Compression Ring-Second 0.040-0.080 mm (0.0016-0.0031 in.)
Oil Ring (Steel Rails) 0.058-0.204 mm (0.0022-0.0080 in.)

Crankshaft Pulley Torque

Crankshaft Damper - Bolt 170 Nm (125 ft. lbs)