Pistons
Dimension D: 53.97 mm
Compression ratio: 13.5:1
C-dimension = 76.97 mm
Dimension C = 96.97 mm
High-Compression Pistons
(forged piston)
Compression ratio: 13.9:1
A-dimension, D=77.96 mm
High-Compression Pistons
(forged piston)
Compression ratio: 13.9:1
A-dimension, D=77.96 mm
High-Compression Pistons
(forged piston)
Compression ratio: 13.9:1
A-dimension, D=77.96 mm
Compression ratio: 14.2:1
A-dimension, D = 87.95 mm
Compression ratio: 14.2:1
A-dimension, D = 87.95 mm
Compression ratio: 14.2:1
A-dimension, D = 87.95 mm
Dimension B = 71.94 mm
Athena piston for Athena standard cylinder
B dimension = 94.95 mm
Athena piston for Athena standard cylinder
B dimension = 94.96 mm
A-measurement: 71.93
Dimension B: 71.94
C-measure: 71.95
Dimension B: 71.96 mm
Dimension A: od = 71.95 mm
This replacement piston kit is designed exclusively for the ATHENA combustion chamber kit with part number P400270308001A.
This replacement piston kit is designed exclusively for the ATHENA combustion chamber kit with part number P400270308001A.
This replacement piston kit is designed exclusively for the ATHENA combustion chamber kit with part number P400270308001A.
This replacement piston kit is designed exclusively for the ATHENA combustion chamber kit with part number P400270308001A.
Dimension A = 53.95 mm
Dimension B = 53.96 mm
Dimension C = 53.97 mm
Dimension A = 66.34 mm
Dimension B = 66.35 mm
Dimension B = 66.35 mm
Dimension D = 66.37 mm
Dimension A = 72.95 mm
Dimension B = 72.96 mm
Dimension C = 72.97 mm
Dimension B = 77.97 mm
High-Compression Piston
For Athena Cylinder Kit and Standard Cylinders
Compression ratio: 14.5:1
B-dimension = 76.97 mm
For the Athena Cylinder Kit and standard cylinders
Compression ratio: 13.4:1
B-dimension = 76.96 mm
A dimension: 62.45 mm
B dimension: 62.46 mm
C dimension: 62.47 mm
For Athena Big Bore Kit (290 cc),
A-dimension D=82.95 mm
For the Athena Big Bore Kit (290cc),
C-dimension D = 82.97 mm
Dimension A: 53.94 mm
Dimension B = 53.95 mm
Dimension C: 53.96 mm
For the Athena Big Bore Kit (500 cc),
Dimension = 101.96 mm
Pistons: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





