Specifications

°
8
Once all 4 pistons and 4 points are measured, calculate piston depth average. The
average of those 4 points defines the piston depth.
The value that will be used for the calculation of squish is the minimum value of
average. That means the highest piston position.
Average of 4
measurement points
Piston depth
Piston Number
1
2
3
4
Note: piston depth may be influenced by the cylinder base gasket thickness on R1
engines.