Engine Specifications: Pistons
PISTONS
| Description | Specification | |
|---|---|---|
| Metric | Standard | |
| Material | Cast Aluminum Alloy | |
| Piston Diameter (Metal to Metal) - Grade 1 | 95.955 mm ± 0.005 mm | 3.7778 in. ± 0.0002 in. |
| Piston Diameter (Metal to Metal) - Grade 2 | 95.965 mm ± 0.005 mm | 3.7781 in. ± 0.0002 in. |
| Piston Diameter (Metal to Coating) - Grade 1 | 95.970 - 96.000 mm | 3.7783 - 3.7795 in. |
| Piston Diameter (Metal to Coating) - Grade 2 | 95.980 - 96.010 mm | 3.7787 - 3.7835 in. |
| Clearance at Size Location (Metal to Metal) | 0.030 - 0.050 mm | 0.0012 - 0.0020 in. |
| Clearance at Size Location (Metal to Coating) | 0.010 - 0.030 mm | 0.0004 - 0.0012 in. |
| Piston Weight | 354 - 364 grams | 12.487 - 12.840 oz. |
| Piston Pin Offset | 0.8 mm | 0.031 in. |
| Piston Ring Groove Diameter - No. 1 | 88.24 - 88.44 mm | 3.474 - 3.482 in. |
| Piston Ring Groove Diameter - No. 2 | 86.54 - 86.74 mm | 3.407 - 3.415 in. |
| Piston Ring Groove Diameter - No. 3 | 89.16 - 89.36 mm | 3.510 - 3.518 in. |