Produkto gamintojas:
| COMPRESSION RATIO | 12,8:1 |
| STYLE | Performance Replacement |
| UNITS | Kit |
| PRODUCT NAME | Piston Kit |
| ENGINE TYPE | 4-Stroke |
| STROKE LENGTH | 53,60 mm |
| PISTON MATERIAL | Forged| Steel |
| PISTON SIZE | Standard |
| SKIRT COATING | Moly Coated |
| PISTON DIAMETER | 76,96 mm |
| RING MATERIAL | Steel |
| YAMAHA | WR 250 F | 250 | 2001-2004 |
| YAMAHA | YZ 250 F | 250 | 2001-2004 |