Wossner Piston Kit for Yamaha YZ250/WR250 68.94mm Oversize

Elevate your Yamaha YZ250 or WR250's performance and reliability with the premium Wossner YZ250 Piston Kit 68.94mm. This precision-engineered oversize piston kit is designed to restore peak power and extend the life of your 250cc two-stroke engine.

Description

Engineered by Wossner, a leader in high-performance engine components, this piston kit is specifically designed for a robust top-end rebuild of your Yamaha YZ250 (1988-1991) or WR250 (1991) motorcycle. Featuring a 68.94mm bore, which is a 0.50mm oversize from the standard 68.44mm, this kit is ideal for restoring cylinder integrity and compression after wear. Each Wossner piston is forged for superior strength and durability, ensuring it can withstand the extreme demands of off-road riding and racing. The advanced design contributes to improved throttle response and sustained power output, making it an essential upgrade for any serious rider. This complete oversize piston kit includes everything needed for a seamless installation, offering a reliable and long-lasting solution for your Yamaha YZ250 piston or WR250 engine rebuild needs.

Features & Highlights

• Forged Construction: Manufactured from high-grade forged aluminum, ensuring exceptional strength, heat resistance, and extended service life under demanding conditions.
• Optimized Performance: Designed to deliver enhanced power delivery and sharper throttle response, restoring your 250cc two-stroke engine to its optimal performance.
• Precision Fitment: Engineered with exact tolerances for a perfect fit within your cylinder, minimizing wear and maximizing efficiency.
• Complete Rebuild Solution: Comes as a comprehensive kit, including the piston, rings, wrist pin, and circlips, facilitating a straightforward and complete top-end overhaul.
• Model-Specific Design: Perfectly compatible with Yamaha YZ250 models from 1988-1991 and WR250 models from 1991, guaranteeing precise functionality.

Technical Specifications

• Brand: Wossner
• Product Type: Piston Kit
• Bore Size: 68.94mm (+0.50mm Oversize)
• Engine Displacement: 250cc
• Engine Type: 2-Stroke
• Fitment: Yamaha YZ250 (1988-1991), Yamaha WR250 (1991)
• MPN/SKU: 09105547
• Vendor Part Number: 8134D050