Wossner 8021DA Piston Kit - 1986-1996 Honda CR250R 2-Stroke Motocross

Wossner 8021DA Premium Forged 2-Stroke Piston Kit

Refresh your legendary Honda 2-stroke with the Wossner 8021DA Piston Kit, designed to restore the crisp throttle response and Factory Quality power your CR250R was built for. Engineered to meet the high-performance demands of vintage and classic motocross racing, this kit ensures your 249cc engine remains reliable and powerful on the track. When accuracy and durability matter most, Moto-House MX provides the precision-forged components required for a professional-grade rebuild.

Forged from aerospace-grade aluminum alloy, this piston offers a superior strength-to-weight ratio compared to standard cast alternatives. The permanent skirt coating is a critical feature, significantly reducing friction and piston rock for a quieter engine and improved mechanical efficiency. With optimized machining that balances lightness and structural integrity, the 8021DA is built to withstand the heat and pressure of aggressive 2-stroke riding.

Top Features: Wossner 8021DA Piston Kit

• Aerospace Forged Alloy: Constructed from premium aluminum for maximum durability and heat resistance.
• Low-Friction Skirt Coating: Permanent coating reduces internal wear and engine noise for smoother operation.
• Dual-Ring Design: Optimized for an exceptional combustion seal and consistent compression throughout the RPM range.
• Precision Lightweight Machining: Reduces reciprocating mass for faster revving and improved performance.
• Complete Kit: Includes everything needed for a top-end refresh: forged piston, rings, wrist pin, and clips.

Expert Pro-Tip: When rebuilding an older CR250R engine, always inspect the cylinder plating and power valve assembly. Ensure you install the piston with the arrow or "EX" mark pointing toward the exhaust port for correct orientation.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
1986-1996	Honda	CR250R

Frequently Asked Questions

Q: Is this a Standard Size A piston?
A: Yes, this is a 66.34mm piston designed to fit the standard 66.40mm bore size for the Honda CR250R.

Q: Does this kit include the small-end wrist pin bearing?
A: No, the kit includes the piston, rings, pin, and clips. We recommend purchasing a new wrist pin bearing separately when performing your rebuild.

Q: Will this fit my 1997 or newer Honda CR250R?
A: No, this specific kit is engineered for the 1986-1996 engine platform. Please check our other listings for newer model years.

Recommended Pairings

• Cometic Top End Gasket Kit: Essential for a leak-free seal during your CR250R engine rebuild.
• Motorex Cross Power 2T Oil: The ultimate synthetic lubrication choice for high-performance Honda 2-strokes.

Restore your Honda's power and precision today. Buy now at Moto-House MX!

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The Best Motocross/UTV & ATV Shop in Central Florida. Stop by our local store in Montverde, FL or enjoy lightning-fast shipping across the USA.