Pistons
Dimension D: 53.97 mm
Compression ratio: 13.5:1
C-dimension = 76.97 mm
Dimension C = 96.97 mm
DIMENSION = 53.93 mm
DIMENSION = 53.96 mm
DIMENSION = 55.95 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
This +3 mm connecting rod piston was specifically designed to maximize performance. It must be used in combination with a +3 mm longer connecting rod.
This piston is 100% CNC-machined from high-quality material and features an eccentric profile. It delivers high performance, durability, and consistently high performance throughout its entire service life.
C-DIMENSION = 53.97 mm
This piston requires a clearance of 0.05 mm! Must be used in combination with a 3 mm longer connecting rod and a 20 mm smaller connecting rod eye bearing.
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
Solid Carbide Piston (Standard)
2 PISTON RINGS
DIMENSION = 53.94 mm
Solid Carbide Piston (Standard)
2 PISTON RINGS
DIMENSION = 53.96 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
Solid Carbide Piston (12° Piston Crown)
2 PISTON RINGS
DIMENSION = 53.97 mm
Dimension B = 77.97 mm
Diameter [mm] 39.94
Piston crown type Dome
Piston pin 12 mm
Bore clearance [mm] 0.05
Backlash [mm] 0.20+0.10
Diameter [mm] 39.95
Piston head type Dome
Piston pin 12 mm
Bore clearance [mm] 0.05
Bore clearance [mm] 0.20+0.10
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
Pistons: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.