Pistons
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
A=71.92
2-PISTON RINGS
B=71.93
2-PISTON RINGS
C=71.94
2-PISTON RINGS
D=71.95
2-PISTON RINGS
D=51.95 mm
D = 71.97 mm
D = 71.95 mm
D = 71.96 mm
D = 53.95 mm
D = 72.96 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
Attention: Use a 20 mm wide piston pin bearing with this piston!
THIS NEEDLE Bearing MUST BE USED WITH THIS PISTON MNB150190195
A1-MAß = 53.94 mm
Attention: Use a 20 mm wide piston pin bearing with this piston!
THIS NEEDLE Bearing MUST BE USED WITH THIS PISTON MNB150190195
A-MAß = 53.95 mm
Attention: Use a 20 mm wide piston pin bearing with this piston!
THIS NEEDLE Bearing MUST BE USED WITH THIS PISTON MNB150190195
B-MAß = 53.96 mm
B=53.95
1-PISTON RING
C=53.95
1-PISTON RING
D=53.96
1-PISTON RING
A=53.93
1-PISTON RING
A=66.34
2-PISTON RING
B=66.35
2-PISTON RING
C=66.36
2-PISTON RING
D=66.37
2-PISTON RING
Pistons: engineered for motocross and enduro riders. Strong materials, precise fitment and reliable performance.





