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 |
| |
|
|
| Flywheel Main Bearing Thrust Dimensions: |
| Standard |
2.50mm |
| Oversized 0.040 inches / 1mm |
3.50mm |
| Oversized 0.080 inches / 2mm |
4.50mm |
| |
|
 |
