| • | J 24270 Cylinder Bore Ridge Reamer | 
| • | J 42846 Crankshaft Protector Button | 
Important: Do not remove the excessive material from the cylinder bore. Excessive removal of material may require cylinder boring to the next oversize.
| 3.1. | Place a cloth on top of the piston. | 
| 3.2. | Perform the cutting operation with a J 24270 . Refer to the manufacturer's instructions before using the J 24270 . | 
| 3.3. | Remove the J 24270 . | 
| 3.4. | Rotate the crankshaft until the piston is at top dead center (TDC). | 
| 3.5. | Remove the cloth and the cuttings. | 
| 3.6. | Repeat the procedure for each piston. | 
Important: Place matching marks or numbers on the connecting rods and the connecting rod caps. The connecting rod caps must be assembled to their original connecting rods.
Important: When connecting rod bearings are removed, NEW bearings must be installed during assembly.