Wossner Forged Piston Kit - 77.02mm Bore - 250cc - Size C - 8921DC

Elevate your motorcycle's performance with the Wossner Premium Series Piston Kit, engineered for demanding 4-stroke engines. This high-quality 77.02mm bore piston kit delivers exceptional durability and power, featuring advanced materials and coatings for optimal engine health and responsiveness.

Description

Experience superior engine reliability and power with the Wossner Premium Series Piston Kit. This top-tier motorcycle forged piston is meticulously crafted from aerospace-grade aluminum alloy, ensuring outstanding strength and resilience under the most extreme operating conditions. Designed for a 77.02 mm bore and an aggressive 13.8:1 compression ratio, this kit significantly enhances your engine's performance, providing a noticeable boost in power and efficiency for your 250 cc 4-stroke engine. The piston features optimized machining for an ideal balance of lightness and structural integrity, with reinforced crown and skirt wall cross-sections where it matters most.

A key highlight of this Wossner Premium Series Piston Kit is its advanced Molybdenum Disulphite skirt coating. This permanent, high-quality coating dramatically reduces friction and piston rock, leading to quieter operation, improved longevity, and a smoother break-in process. The dual ring design, combined with nitride-coated, steel, and cast rings, ensures excellent sealing and heat dissipation. Each kit comes complete with a piston, rings, pin, and clips, providing everything you need for a comprehensive and reliable engine rebuild or upgrade. Trust Wossner for a performance piston that stands up to the rigors of racing and aggressive riding.

Features & Highlights

• Advanced Moly Skirt Coating: Permanent Molybdenum Disulphite coating reduces friction and piston rock, ensuring quieter operation, improved performance, and extended piston life, especially during critical break-in.
• Forged Aerospace-Grade Aluminum: Constructed from high-strength aluminum alloy, offering superior durability and resistance to extreme temperatures and pressures for unwavering reliability.
• Optimized Lightweight Design: Precision machining ensures a lighter piston without compromising strength in critical areas like the crown and skirt, contributing to quicker revs and enhanced power delivery.
• Complete Piston Kit: Each kit includes the piston, high-quality rings (nitride coated, steel, cast), piston pin, and retaining clips, providing all essential components for a seamless installation.
• Enhanced Engine Performance: Engineered for a 13.8:1 compression ratio and dual ring configuration, this piston kit is designed to boost the power and efficiency of your 250 cc 4-stroke engine.

Important to Know

This kit includes one piston, a complete set of rings, a piston pin, and retaining clips. Oversize pistons are available for various makes and models, but this specific kit is a Standard Size C with a 76.97 mm piston diameter for a 77.02 mm bore.