Pistons
Dimension B = 66.35 mm
Dimension B, D = 66.35 mm
Dimension B, D = 66.35 mm
Dimension B = 66.35 mm
Dimension B, D = 66.35 mm
Dimension B, D = 66.35 mm
Dimension B, D = 66.35 mm
Dimension A = 66.35 mm
Dimension C = 66.36 mm
Dimension C = 66.36 mm
Dimension B = 66.36 mm
C dimension = 66.36 mm
(2 rings)
For the Athena Cylinder Kit and standard cylinders
C-dimension = 66.36 mm
Dimension C, D = 66.36 mm
Dimension C, D = 66.36 mm
Dimension C, D = 66.36 mm
Dimension C, D = 66.36 mm
Dimension C = 66.36 mm
Dimension C, D = 66.36 mm
Dimension C = 66.36 mm
Dimension C = 66.37 mm
Dimension A = 71.94 mm
Dimension B = 71.95 mm
Dimension B = 71.94 mm
Dimension A = 71.95 mm
Dimension C = 71.95 mm
For Athena Cylinder Kit 294cc (BigBore)
A-dimension = 71.95 mm,
Dimension B = 71.96 mm
For Athena Cylinder Kit 294cc (BigBore)
B-dimension = 71.96 mm,
Dimension C = 71.97 mm
For ATHENA cylinder kits and standard cylinders
Compression ratio: 12.5:1
A-dimension = 75.96 mm
For ATHENA cylinder kit and standard cylinders
A-dimension, D=75.96 mm
For the Athena Cylinder Kit and standard cylinders
A-dimension D=75.96 mm
For ATHENA cylinder kits and standard cylinders
Compression ratio: 12.5:1
B-dimension = 75.97 mm
For the Athena Cylinder Kit and standard cylinders
B dimension D=75.97 mm
For ATHENA cylinder kit and standard cylinders
Compression ratio: 13.2:1
A-dimension, D=76.75 mm
For ATHENA cylinder kit and standard cylinders
Compression ratio: 13.2:1
B-dimension, D=76.76 mm
For the Athena Cylinder Kit and standard cylinders
Compression ratio: 13.4:1
A-measurement = 76.95 mm
Compression ratio: 13.5:1
B-dimension = 76.97 mm
(3 rings)
Dimension B = 76.97 mm
For the Athena Cylinder Kit and standard cylinders
B dimension = 76.97 mm
For the Athena Cylinder Kit and standard cylinders
Compression ratio: 12.5:1
C-dimension = 76.98 mm
(2 rings)
For the ATHENA cylinder kit and standard cylinders
Compression ratio: std
A-dimension, D=76.75 mm
Compression ratio: std
A dimension, D=76.75 mm
Compression ratio: std
A-dimension, D=76.75 mm
Compression ratio: 13.2:1
A-dimension, D=76.75 mm
Dimension B, D = 76.76 mm
Compression ratio: std
B dimension, D=76.76 mm
For the ATHENA cylinder kit and standard cylinders
Compression ratio: std
B dimension, D=76.76 mm
For the ATHENA cylinder kit and standard cylinders
Compression ratio: std
B dimension, D=76.76 mm
Pistons: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





