General Specifications

GENERAL SPECIFICATIONS

Cylinder Block
Cylinder bore diameter 87.5 - 87.53 mm (3.444 - 3.445 inch)
Out of round 0.008 mm (0.0003 inch)
Main bearing bore diameter 57.020 - 57.038 mm (2.244 - 2.245 inch)
Head face flatness 0.1 mm/general 0.05 mm 200 x 200 (0.0003 in./general) (0.0019 in./7.87 x 7.87)

Piston
Diameter (1) 87.5 - 87.51 mm (3.444 - 3.445 inch)
Diameter (2) 87.51 - 87.52 mm (3.4452 - 3.4456 inch)
Diameter (3) 87.52 - 87.53 mm (3.444 - 3.446 inch)
Piston to bore clearance 0.025 - 0.045 mm (0.0009 - 0.0017 inch)
Ring groove width top 1.203 - 1.205 mm (0.0473 - 0.0474 inch)
Ring groove width 2nd 1.17 - 1.19 mm (0.0.460 - 0.0468 inch)
Ring groove width oil 2.501 - 2.503 mm (0.0984 - 0.0985 inch)
Piston skirt coating thickness 0.008 - 0.020 mm (0.0003 - 0.0007 inch)

Piston Pin
Diameter 20.995 - 21.0 mm (0.8266 - 0.8268 inch)
Length 59.6 - 60.4 mm (2.346 - 2.377 inch)
Piston to pin clearance 0.008 - 0.016 mm (0.0003 - 0.0006 inch)
Pin to rod clearance Press fit

Crankshaft
Main bearing journal diameter 51.980 - 52.000 mm (2.046 - 2.047 inch)
Production repair 51.730 - 51.750 mm (2.036 - 2.037 inch)
Main bearing clearance 0.019 - 0.035 mm (0.0007 - 0.0013 inch)
Connecting rod journal diameter 49.980 - 50.000 mm (1.967 - 1.968 inch)
Production repair 49.730 - 49.750 mm (1.957 - 1.958 inch)
End play 0.22 - 0.43 mm (0.008 - 0.016 inch)

Rings
Width top 1.17 - 1.185 mm (0.0460 - 0.0466 inch)
Width 2nd 1.197 - 1.199 mm (0.0471 - 0.0472 inch)
Width oil 2.38 - 2.45 mm (0.093 - 0.096 inch)
Ring gap (in bore) top 0.16 - 0.31 mm (0.006 - 0.012 inch)
Ring gap (in bore) 2nd 0.33 - 0.48 mm (0.012 - 0.018 inch)
Ring gap (in bore) oil 0.2 - 0.7 mm (0.007 - 0.027 inch)

Connecting Rod
Bearing clearance 0.027 - 0.052 (0.001 - 0.002 inch)
Bearing thickness 1.496 - 1.520 mm (0.058 - 0.059 inch)
Crank bore diameter 53.025 - 53.045 mm (2.087 - 2.088 inch)
Pin bore diameter 20.965 - 20.985 mm (0.825 - 0.826 inch)
Length (center to center) 154.8 mm (6.094 inch)
Side clearance 1.95 - 3.05 mm (0.076 - 0.120 inch)
Axial clearance 0.14 - 0.36 mm (0.005 - 0.014 inch)

a No. 3 Journal Supported by No. 1 and No .5 Journals.
All dimensions are in mm unless noted.