Wossner Piston Kit 67.94mm for Yamaha YZ250 (88-91)

Restore the heart of your Yamaha 2-stroke with the premium Wossner YZ250 Piston Kit 67.94mm. Engineered for riders demanding uncompromising performance and reliability, this standard bore piston kit is the ideal choice for a complete top-end rebuild or performance upgrade on your YZ250 or WR250.

Description

Experience superior engine performance and durability with this high-quality Wossner Piston Kit, specifically designed for Yamaha YZ250 models from 1988-1991 and the WR250 in 1991. Wossner pistons are renowned for their exceptional strength and precision, crafted from advanced forged aluminum to withstand the extreme demands of off-road racing and aggressive trail riding. This 67.94mm standard bore piston ensures optimal compression and power delivery, bringing your 250cc engine back to peak condition. The meticulous design minimizes friction and heat buildup, extending engine life and providing consistent, responsive power throughout the RPM range. Whether you're refreshing an aging engine or seeking enhanced reliability, this Wossner YZ250 2-stroke piston kit offers the robust construction and engineering excellence needed for long-lasting, high-performance operation.

Features & Highlights

• Forged Aluminum Construction: Manufactured from premium forged aluminum for superior strength, exceptional durability, and resistance to high temperatures and pressures, ensuring a longer lifespan for your engine.
• Optimized Piston Skirt Design: Features an advanced skirt profile that reduces friction and improves heat transfer, leading to increased power output and more consistent engine performance.
• Precision Machining: Each Wossner piston is meticulously machined to exact specifications, guaranteeing a perfect fit and optimal ring seal for maximum compression and efficiency.
• Enhanced Reliability: Engineered to meet or exceed OEM standards, this kit provides a robust foundation for your engine, offering peace of mind during demanding rides.
• Complete Kit for Convenience: Includes the piston, piston rings, wrist pin, and circlips, providing all necessary components for a comprehensive and straightforward top-end rebuild.

Technical Specifications

• Brand: Wossner
• MPN/SKU: 09105551
• Vendor Part Number: 8134DA
• Product Type: Piston Kit
• Bore Size: 67.94mm (Standard)
• Engine Type: 2-Stroke
• Displacement: 250cc
• Fitment: Yamaha YZ250 (1988-1991), Yamaha WR250 (1991)

Important to Know

• Professional installation is highly recommended for optimal performance and safety.
• Gaskets, bearings, and other engine components are typically sold separately and are not included in this piston kit.