System Specifications

CYLINDER BLOCK
Cylinder Bore Diameter 87.4924 - 87.5076 mm (3.4446 - 3.4452 inch)
Out-of-Round (Maximum) 0.051 mm (0.002 inch)
Taper (Maximum) 0.051 mm (0.002 inch)
PISTONS
Piston Diameter 87.463 - 87.481 mm (3.4434 - 3.4441 inch)
Clearance @ 17.5 mm (11/16 inch from bottom of skirt 0.018 - 0.050 mm (0.0007 - 0.0020 inch)
Weight 340 - 350 grams (11.99 - 12.34 ounce)
Land Clearance (Diametrical) 0.740 - 0.803 mm (0.029 - 0.031 inch)
Piston Length 64.8 mm (2.551 inch)
Piston Ring Groove Depth 3.983 - 4.132 mm (0.157 - 0.163 inch)
Piston Ring Groove Depth No 2 mm 4.456 - 4.605 mm (0.175 - 0.181 inch)
Piston Ring Groove Depth No. 3 3.841 - 4.075 (0.151 - 163 inch)
PISTON PINS
Clearance in Piston 0.008 - 0.020 mm (0.0003 - 0.0008 inch)
Clearance in Connecting Rod Interference
Diameter 20.998 - 21.003 mm (0.8267 - 0.8269 inch)
End Play None
Length 74.75 - 75.25 mm (2.943 - 2.963 inch)
PISTON RINGS
Ring Gap-Top Compression Ring 0.23 - 0.52 mm (0.009 - 0.020 inch)
Wear Limit Ring Gap-2nd 0.8 mm (0.031 inch)
Compression Ring 0.49 - 0.78 mm (0.019 - 0.031 inch)
Wear Limit Ring Gap-Oil 0.8 mm (0.031 inch)
Control Steel Rails 0.23 - 0.66 mm (0.009 - 0.026 inch)
Wear Limit 1.0 mm (0.039 inch)
Ring Side Clearance-Rings Compression 0.025 - 0.065 mm (0.0010 - 0.0026 inch)
Wear Limit 0.10 mm (0.004 inch)
Ring Side Clearance-Oil Ring Pack 0.004 - 0.178 mm (0.0002 - 0.0070 inch)
Ring Width-Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 inch)
Rings Ring Width-Oil Ring Pack 2.854 - 3.008 mm (0.1124 - 0.1184 inch)
CONNECTING ROD
Bearing Clearance 0.026 - 0.059 mm (0.001 - 0.0023 inch)
Wear Limit 0.075 mm (0.003 inch)
Bore Diameter-Piston Pin 20.96 - 20.98 mm (0.8252 - 0.8260 inch)
Bore Diameter-Crankshaft End 50.991 - 51.005 mm (2.0075 - 2.0081 inch)
Side Clearance 0.13 - 0.38 mm (0.005 - 0.015 inch)
Wear Limit 0.40 mm (0.016 inch)
Weight-Total (Less Bearing) 548.8 grams (19.36 ounce)
CRANKSHAFT
Connecting Rod Journal Diameter 47.9924 - 48.0076 mm (1.8894 - 1.8900 inch)
Main Bearing Journal Diameter 51.9924 - 52.0076 mm (2.0469 - 2.0475 inch)
Out-of-Round (Maximum) 0.0035 mm (0.0001 inch)
Journal Taper (Maximum) 0.0038 mm (0.0001 inch)
End Play 0.09 - 0.27 mm (0.0035 - 0.0106 inch)
Wear Limit 0.37 mm (0.015 inch)
Main Bearing Diametrical Clearance 0.022 - 0.062 mm (0.0008 - 0.0024 inch)

Torque Specifications
Connecting Rod 27 Nm + 1/4 turn (20 ft. lbs.) + 1/4 turn)
Crankshaft Main Bearing Cap/Bedplate
M8 Bolts 34 Nm (25 ft. lbs.)
M11 Bolts 81 Nm (60 ft. lbs.)
Crankshaft Damper 136 Nm (100 ft. lbs.)