How To Measure Crank Shaft Main Bearings Measure The Crankshaft, Engine Case, Or Main Bearing Closest To The Flywheel | 
  
  
    |   | 
    Inches | 
    Millimeters | 
  
  
    | Standard Uncut New Crankshaft Measures: | 
    2.165 | 
    55mm | 
  
  
    | A crankshaft that has been cut 0.010 inches / 0.25mm | 
    2.155 | 
    54.75 | 
  
  
    | A crankshaft that has been cut 0.020 inches / 0.50mm | 
    2.145 | 
    54.50 | 
  
  
    | A crankshaft that has been cut 0.030 inches / 0.75mm | 
    2.135 | 
    54.25 | 
  
  
    | A crankshaft that has been cut 0.040 inches / 1.00mm | 
    2.125 | 
    54 | 
  
  
    | A crankshaft that has been cut 0.050 inches / 1.25mm | 
    2.115 | 
    53.75 | 
  
  
    | A crankshaft that has been cut 0.060 inches / 1.50mm | 
    2.105 | 
    53.50 | 
  
  
    | A crankshaft that has been cut 0.070 inches / 1.75mm | 
    2.095 | 
    53.25 | 
  
  
    | A crankshaft that has been cut 0.080 inches / 2.00mm | 
    2.085 | 
    53 | 
  
  
    |   | 
  
  
    |   | 
    Inches | 
    Millimeters | 
  
  
    | Standard Uncut New Engine Case Measures: | 
    2.560 | 
    65mm | 
  
  
    | An engine case that has been cut 0.010 inches / 0.25mm | 
    2.570 | 
    65.25 | 
  
  
    | An engine case that has been cut 0.020 inches / 0.50mm | 
    2.580 | 
    65.50 | 
  
  
    | An engine case that has been cut 0.030 inches / 0.75mm | 
    2.590 | 
    65.75 | 
  
  
    | An engine case that has been cut 0.040 inches / 1.00mm | 
    2.600 | 
    66 | 
  
  
    | An engine case that has been cut 0.050 inches / 1.25mm | 
    2.610 | 
    66.25 | 
  
  
    | An engine case that has been cut 0.060 inches / 1.50mm | 
    2.620 | 
    66.50 | 
  
  
    | An engine case that has been cut 0.070 inches / 1.75mm | 
    2.630 | 
    66.75 | 
  
  
    | An engine case that has been cut 0.080 inches / 2.00mm | 
    2.640 | 
    67 | 
  
  
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    | Flywheel Main Bearing Thrust Dimensions:  | 
  
  
    | Standard | 
    2.50mm | 
  
  
    | Oversized 0.040 inches / 1mm   | 
    3.50mm | 
  
  
    | Oversized 0.080 inches / 2mm | 
    4.50mm | 
  
  
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