Wossner 8092DA Piston Kit - 1997-2005 Kawasaki KDX220R Standard Size A

Wossner 8092DA Standard Series Forged 2-Stroke Piston Kit - Standard Size A

Enhance the legendary reliability of your Kawasaki enduro with the Wossner 8092DA Piston Kit, specifically engineered for the 1997-2005 Kawasaki KDX220R. This "Size A" forged kit is the professional choice for riders performing a top-end refresh on stock 69.00mm bores. At Moto-House MX, we know the KDX220R is a favorite for technical woods riding; Wossner’s aerospace-grade forging provides a massive strength upgrade over the stock cast piston, offering peace of mind and consistent performance through the toughest terrain.

The 8092DA features a dual-ring configuration, which is the ideal setup for the KDX220R's versatile powerband. Unlike single-ring race pistons, the dual-ring design provides superior heat transfer from the piston to the cylinder wall and ensures a better long-term compression seal, perfect for long trail rides and enduro conditions. To ensure a quiet engine and smooth operation, Wossner applies a permanent molybdenum disulphide skirt coating that reduces friction and prevents piston rock. Precision-machined for 69.00mm bores, this 68.94mm piston kit provides the exact tolerances needed to keep your KDX running at its peak.

Top Features: Wossner 8092DA Piston Kit

• Standard Size A (68.94mm): Precision-engineered for stock 69.00mm bores to maintain factory-spec mechanical clearances.
• Dual Ring Configuration: Provides enhanced cooling and a superior compression seal, making it the perfect choice for the KDX220R’s torque-heavy engine.
• Aerospace-Grade Forging: Built to be significantly more durable and heat-resilient than the original cast alternatives, reducing the risk of piston failure.
• Low-Friction Skirt Coating: Permanent skirt treatment minimizes drag, protects the cylinder wall, and ensures a smoother break-in period.
• Optimized Lightness: Precision machining reduces reciprocating mass without compromising the strength of the crown or skirt walls.
• Complete Kit: Includes the high-performance forged Size A piston, rings, wrist pin, and circlips.

Expert Pro-Tip: The Kawasaki KDX220R is famous for its "tractable" power, but that power relies on a perfect top-end seal. If you are refreshing a well-maintained cylinder, the Size A (68.94mm) is the correct starting point to restore that "like-new" throttle response. Always use a precision bore gauge to confirm your cylinder measures 69.00mm before installation. For a professional-grade rebuild, always install with a fresh top-end gasket kit and utilize high-quality 2-stroke oil to protect your new forged assembly during the critical break-in hours.

Fitment List

Year Range	Vehicle Brand	Vehicle Model
1997-2005	Kawasaki	KDX220R

Frequently Asked Questions

Q: Why should I choose a forged piston over a cast one for my KDX?
A: Forged pistons are created through a high-pressure manufacturing process that results in a denser, stronger material. This makes them far more resistant to the cracks and fatigue that can sometimes affect cast pistons in high-load off-road environments.

Q: What is the benefit of the dual ring design?
A: In an enduro-style bike like the KDX220R, two rings help transfer more heat away from the piston and into the cylinder's cooling jackets. This design also provides a longer-lasting seal, which is beneficial for riders who want more time between top-end rebuilds.

Q: Does this kit include everything I need?
A: This kit includes the piston, both rings, the wrist pin, and the circlips. We highly recommend purchasing a new small-end wrist pin bearing and a top-end gasket set separately to complete your engine overhaul.

Recommended Pairings

• Complete Top End Gasket Set: Vital for ensuring a leak-free rebuild and maintaining correct engine timing.
• High-Quality 2-Stroke Premix Oil: Keep your new forged piston lubricated and protected during aggressive woods riding.

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.