Pistons
| Pistons | 
| General data | 
| Engine | B284 | |
| Compression ratio | 9.5:1 | |
| Important | ||
| Pistons of different makes must not be used in the same engine. The piston make is cast onto the piston. | ||
| Piston types | 
 
    
    | Engine | Ø | H | B | H d1 | ||
| B284 | mm | 88.956 - 88.974 | 54 | 5 ±0.1 | 55.6 | |
Pistons
| Piston pin | 
| Diameter | mm | 23.997 - 24.000 | 

 
		