PISTON KIT 86-96 CR250 68.50, WOSSNER 8021D210 HONDA MX
Wossner forged piston kit 68.50mm bore for Honda CR250R models from 1986 to 1996. Features a 68.44 mm piston diameter and a 2.10 mm oversize, suitable for overbored or re-sleeved cylinders. Constructed from forged aluminum for high mechanical strength, with an elliptical design for enhanced thermal performance and reduced wear. Manufactured in Germany. Bore size: 68.50 mm. Piston diameter: 68.44 mm. Engine displacement: 249 cm³. Stroke: 72.00 mm. Clearance: 0.06 mm. Compression height: 38.00 mm. Compression ratio: 2-stroke. Wossner part number: 8021D210. Includes lock CW18, pin WP033, ring set RSB6850 x 2, and rod P2021. Weight: 324g.
- SKU
- 56-W614.P8.WO
- Brand
- Wossner
- Availability
- Out of Stock
FULL DESCRIPTION
Wossner Forged Piston Kit 68.50mm Bore
This Wossner forged piston kit features a 68.50 mm bore and a piston diameter of 68.44 mm, making it a +2.10 mm oversize part. It is ideal for significantly overbored or re-sleeved cylinders. The piston's forged aluminum construction ensures high mechanical strength, while its elliptical design enhances thermal performance and evenly distributes thrust loads to reduce wear. Manufactured in Germany to strict engineering standards, this piston kit is designed for optimal performance and durability.
Key Features:
- Forged for superior durability and resistance to heat and stress.
- Optimized combustion heat transfer for enhanced engine cooling.
- Elliptical geometry supports a uniform bearing surface under thermal expansion.
- German precision engineering ensures reliable fit and function.
Specifications:
- Bore Size: 68.50 mm
- Piston Diameter: 68.44 mm
- Engine Displacement: 249 cm³
- Stroke: 72.00 mm
- Clearance: 0.06 mm
- Compression Height: 38.00 mm
- Compression Ratio: 2-stroke (Wossner and OEM)


