PISTON KIT 86-96 CR250 66.40 A, WOSSNER 8021DA HONDA MX
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Wossner forged piston kit with a 66.40mm bore and 66.34mm piston diameter. Designed for 2-stroke performance, it features an elliptical geometry for even load distribution and reduced wear. Manufactured in Germany, this kit ensures superior strength and efficient heat transfer. Specifications include 249 cm³ engine displacement, 72.00mm stroke, 0.06mm clearance, and 38.00mm compression height. Cross-reference OEM part number 13100-KS7-000. Wossner part number 8021DA. Includes piston, lock CW18, pin WP033, two ring sets RSB6640, and rod P2021.
- SKU
- 56-W614.A.W
- Brand
- Wossner
- Availability
- In Stock (2)
Fitments (24)
| Make | Model | Year |
|---|---|---|
| HONDA | CR 250 | 1986 |
| HONDA | CR 250 | 1987 |
| HONDA | CR 250 | 1988 |
| HONDA | CR 250 | 1989 |
| HONDA | CR 250 | 1990 |
| HONDA | CR 250 | 1991 |
| HONDA | CR 250 | 1992 |
| HONDA | CR 250 | 1993 |
| HONDA | CR 250 | 1994 |
| HONDA | CR 250 | 1995 |
| HONDA | CR 250 | 1996 |
| HONDA | CR 250R | 1986 |
| HONDA | CR 250R | 1987 |
| HONDA | CR 250R | 1988 |
| HONDA | CR 250R | 1989 |
| HONDA | CR 250R | 1990 |
| HONDA | CR 250R | 1991 |
| HONDA | CR 250R | 1992 |
| HONDA | CR 250R | 1993 |
| HONDA | CR 250R | 1994 |
| HONDA | CR 250R | 1995 |
| HONDA | CR 250R | 1996 |
| SUZUKI | RM 250 | 1996 |
| SUZUKI | RM 250 | 1997 |
- General Product Group
- Engine
- General Product Type
- Pistons & Kits
- General Size
- 66.40 mm
- Variant Id
- 257104
FULL DESCRIPTION
Wossner Forged Piston Kit - 66.40mm Bore
This Wossner forged piston kit is engineered for high-performance 2-stroke engines. It features a standard bore size of 66.40 mm and a piston diameter of 66.34 mm, designed for superior strength and efficient heat management. The unique elliptical piston design helps to reduce localized pressure, distribute thrust loads evenly, and prevent piston collapse due to expansion. Manufactured in Germany to ensure consistent precision and exceptional durability.
Key Features
- Forged piston construction for maximum strength and resilience.
- Optimized for efficient heat transfer to cylinder walls.
- Elliptical geometry promotes even load distribution and reduces wear.
- Manufactured in Germany to exacting standards for precision and reliability.
Specifications
- Bore Size: 66.40 mm
- Piston Diameter: 66.34 mm
- Engine Displacement: 249 cm³
- Stroke: 72.00 mm
- Clearance: 0.06 mm
- Compression Height: 38.00 mm
- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)
Cross-Reference Information
OEM Equivalent Part Numbers:
- 13100-KS7-000
- 09104727
- 614M06640
Wossner Kit Components:
- Piston Kit: 8021DA
- Lock: CW18
- Pin: WP033
- Ring Set: RSB6640 x 2
- Rod: P2021
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