PRE-RELEASE

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

The piston diameter is measured perpendicular to the piston pin and 9mm from the piston base

Engine			Ø	H	B	H d1
B284	mm		88.956 - 88.974	54	5 ±0.1	55.6

Pistons

Piston pin

Diameter

23.997 - 24.000