Piston Ring, Engine
| Piston When replacing pistons, measure the cylinder bore as described . Install the service piston matched to the piston bore diameter above. | Diameter | Coded Red | 3.81082-3.81031 inch |
| Coded Blue | 3.81133-3.81082 inch | ||
| Coded Yellow | 3.81184-3.81133 inch | ||
| Piston-to-Bore Clearance (Uncoated Clearance) | 0.00071-0.00173 inch | ||
| Service Piston Selection I. D. Code of Service | Piston Bore Diameter | Piston Required | |
| Red | 3.81204-3.811528 inch | ||
| Blue | 3.81255-3.81204 inch | ||
| Yellow | 3.81306-3.81255 inch | ||
| Pin Bore Diameter Smaller than pin bore measured along center to center axis. | 0.90606-0.90622 inch | ||
| Ring Groove Width | Compression (Top) | 0.0606-0.0598 inch | |
| Compression (Bottom) | 0.0606-0.0598 inch | ||
| Oil | 0.12001-0.11929 in | ||
| Piston Pin | Length | 2.5096-2.4823 inch | |
| Diameter | 0.90551-0.90563 inch | ||
| Pin to Piston Clearance | 0.00043-0.00071 inch | ||
| Pin to Rod Clearance | Press Fit 8 Kilo newtons (1800 lbs) | ||
| Piston Rings Ring Width | Compression (Top) | 0.05748-0.05866 inch | |
| Compression (Bottom) | 0.05748-0.05866 inch | ||
| Oil Ring | Side Seal-Snug Fit | ||
| Service Limit | Side Clearance(0.0006 in MAX) | ||
| Ring Gap | Compression (Top) (in Gauge) | 0.33 in. | |
| Compression (Bottom) (In Gauge) | 0.55 in. | ||
| Oil Ring (Steel Rail) (In Gauge) | 0.0059-0.0065 in | ||
| Side Clearance | 1st Ring | 0.00118-0.00315 inch | |
| 2nd Ring | 0.00118-0.00315 inch |