155
12
REJECT DIMENSIONS STANDARD SIZE REJECT SIZE
CYLINDER
Main Bearing .876 in. (22.25 mm) .878 in. (22.30 mm)
Camshaft Bearing .5011 in. (12.72 mm) .5040 in. (12.80 mm)
Bore Diameter 2.970 in. (75.44 mm) 2.974 in. (75.54 mm)
Bore Out-Of-Round N/A .0015 in. (.04 mm)
CYLINDER HEAD
Valve Guide .249 in. (6.32 mm) .267 in. (6.78 mm)
Intake Valve Stem Diameter .247 in. (6.28 mm) .244 in. (6.20 mm)
Exhaust Valve Stem Diameter .247 in. (6.28 mm) .244 in. (6.20 mm)
CYLINDER COVER
Main Bearing 1.063 in. (27.00 mm) 1.065 in. (27.05 mm)
Camshaft Bearing .501 in. (12.72 mm) .504 in. (12.80 mm)
CRANKSHAFT
Crank Pin Journal 1.098 in. (27.89 mm) 1.097 in. (27.86 mm)
Mag-Side Journal .874 in. (22.20 mm) .876 in. (22.17 mm)
PTO-Side Journal 1.062 in. (26.96 mm) 1.060 in. (26.92 mm)
CAMSHAFT
Mag-Side Journal .499 in. (12.67 mm) .498 in. (12.65 mm)
PTO-Side Journal .499 in. (12.67 mm) .498 in. (12.65 mm)
Intake Lobes 1.112 in. (28.24 mm) 1.098 in. (27.29 mm)
Exhaust Lobes 1.112 in. (28.24 mm) 1.098 in. (27.29 mm)
CONNECTING ROD
Crank Pin Bearing 1.100 in. (37.06 mm) 1.102 in. (27.99 mm)
Piston Pin Bearing .6728 in. (17.09 mm) .6742 in. (17.12 mm)
PISTON
Piston Pin .6722 in. (17.07 mm) .6717 in. (17.06 mm)
Piston Pin Bearing .6728 in. (17.09 mm) .6742 in. (17.12 mm)
Ring End Gap (Top) .008-.016 in. (.15-.25 mm) .030 in. (.76 mm)
Ring End Gap (Middle) .008-.016 in. (.15-.25 mm) .030 in. (.76 mm)
Ring End Gap (Oil Control) .008-.016 in. (.15-.25 mm) .030 in. (.76 mm)
Ring Land Clearance (Top) .002-.003 in. (.05-.08 mm) .004 in. (.10 mm)
Ring Land Clearance (Middle) .001-.003 in. (.05-.08 mm) .004 in. (.10 mm)
Ring Land Clearance (Oil Control) .002-.004 in. (.05-.10 mm) .005 in. (.12 mm)
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