
Original: $160.00
-65%$160.00
$56.00The Story
The Wossner 8100DC piston kit is a +0.02 oversize forged piston tailored for the 2004 Honda CR125. With a 54.02mm bore and 53.97mm piston diameter, this piston delivers high durability and optimal thermal performance under the rigors of two-stroke operation. Its elliptical design ensures even pressure distribution during heat expansion, helping to prevent localised stress and piston failure. Precision-manufactured in Germany, this piston kit is ideal for performance-focused rebuilds.
Features
-
Forged construction provides exceptional strength and durability
-
Engineered for efficient combustion chamber heat transfer to the cylinder walls
-
Elliptical shape allows uniform expansion and reduces localised pressure points
-
Manufactured in Germany for high accuracy and performance reliability
Specifications
-
Bore: 54.02 mm
-
Piston Diameter: 53.97 mm
-
Display Displacement: 125 cm³
-
Stroke: 54.50 mm
-
Piston Clearance: 0.05 mm
-
Compression Height: 28.00 mm
-
Compression Ratio (Wossner and OEM): 2-stroke
-
Lock Part Number: CW15
-
Pin Part Number: WP032
-
Ring Set Part Number: RSB5400
-
Rod Part Number: P2009
Vehicle Fitments
-
2004 Honda CR125

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The Wossner 8100DC piston kit is a +0.02 oversize forged piston tailored for the 2004 Honda CR125. With a 54.02mm bore and 53.97mm piston diameter, this piston delivers high durability and optimal thermal performance under the rigors of two-stroke operation. Its elliptical design ensures even pressure distribution during heat expansion, helping to prevent localised stress and piston failure. Precision-manufactured in Germany, this piston kit is ideal for performance-focused rebuilds.
Features
-
Forged construction provides exceptional strength and durability
-
Engineered for efficient combustion chamber heat transfer to the cylinder walls
-
Elliptical shape allows uniform expansion and reduces localised pressure points
-
Manufactured in Germany for high accuracy and performance reliability
Specifications
-
Bore: 54.02 mm
-
Piston Diameter: 53.97 mm
-
Display Displacement: 125 cm³
-
Stroke: 54.50 mm
-
Piston Clearance: 0.05 mm
-
Compression Height: 28.00 mm
-
Compression Ratio (Wossner and OEM): 2-stroke
-
Lock Part Number: CW15
-
Pin Part Number: WP032
-
Ring Set Part Number: RSB5400
-
Rod Part Number: P2009
Vehicle Fitments
-
2004 Honda CR125




















