Wossner 8325DC Piston Kit - 2019-2025 Beta 200 RR Race Edition X-Pro Standard Size C

Wossner 8325DC Standard Series Forged 2-Stroke Piston Kit - Standard Size C

Bring the snap and compression back to your Italian enduro machine with the Wossner 8325DC Piston Kit. Custom-engineered for the Beta 200cc 2-stroke engine—found in the 200 RR, Race Edition, and X-Pro models (2019-2025)—the "Size C" forged kit is the professional solution for engines that have seen significant trail time. At Moto-House MX, we know that after many hours of high-revving woods riding, the 200cc cylinder bore can expand; this +0.02mm Size C kit provides the precise fitment needed to restore a tight seal and eliminate the power loss associated with worn cylinder tolerances.

Forged from high-performance aerospace aluminum alloy, the 8325DC is built to handle the intense heat and mechanical stress of hard enduro. This kit features a dual-ring configuration, which offers superior secondary compression and enhanced heat transfer from the piston to the cylinder wall—a critical factor for maintaining consistent power during technical, slow-speed climbs. To ensure maximum longevity, Wossner applies a permanent molybdenum disulphide skirt coating that reduces friction and prevents piston rock. Precision-machined for 62.02mm bores, this 61.97mm piston kit allows you to maximize the life of your Beta cylinder before requiring a costly replate.

Top Features: Wossner 8325DC Piston Kit

• Standard Size C (61.97mm): Specifically designed for 62.02mm bores, offering a precise fit for cylinders with moderate wear to restore factory-level compression.
• Dual Ring Design: Enhances cylinder sealing and cooling efficiency, providing a broader and more reliable powerband for competitive off-road use.
• Aerospace-Grade Forging: Significantly stronger and more heat-resilient than OEM cast pistons, providing maximum structural integrity under extreme loads.
• Low-Friction Skirt Coating: Permanent skirt treatment minimizes internal drag and protects the cylinder walls for a quieter running engine and smoother break-in.
• Optimized Reciprocating Mass: Expertly machined for lightness to ensure the Beta 200 maintains its quick-revving, agile engine character.
• Complete Assembly: Includes the forged Size C piston, performance rings, wrist pin, and circlips.

Expert Pro-Tip: When your Beta 200 has seen high hours and the cylinder measures slightly beyond the original factory specs, moving to a Wossner Size C (61.97mm) is the expert way to restore perfect piston-to-wall clearance. Always use a precision bore gauge to confirm your cylinder measures 62.02mm before installation. For a professional-grade rebuild, always install with a fresh top-end gasket kit and utilize premium 2-stroke oil to protect your forged assembly.

Fitment List

Year Range	Vehicle Brand	Vehicle Model
2019-2024	Beta	200 RR
2021-2025	Beta	200 RR - Race Edition
2025	Beta	200 RR X-Pro

Frequently Asked Questions

Q: When should I choose a Size C piston?
A: Size C (61.97mm) is typically used for engines with higher hours where the cylinder bore has worn slightly larger than Size A or B. If your bore measures 62.02mm, this kit will bring your mechanical tolerances back to ideal levels.

Q: Is this forged kit more durable than the stock Beta piston?
A: Yes. Forged pistons are much denser than cast pistons, making them more resistant to the thermal expansion and mechanical fatigue common in 2-stroke racing engines.

Q: Do the dual rings make the bike feel slower?
A: Not at all. Wossner optimizes the machining for lightness so that you get the added durability and better sealing of dual rings without sacrificing the snappy throttle response the Beta 200 is famous for.

Recommended Pairings

• Complete Top End Gasket Set: Vital for maintaining a proper seal and correct squish heights during your engine refresh.
• Motul 800 2T Factory Line: High-performance lubricant to ensure your new forged piston stays protected in the toughest enduro conditions.

Restore your machine’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.