Wossner Piston Kit - 4-stroke, 90mm Bore

Upgrade your 4-stroke engine's performance with the Wossner Piston Kit. Engineered for superior reliability and power, this kit delivers enhanced lubrication, reduced friction, and improved ring seal, ensuring optimal engine performance under demanding conditions.

Description

The Wossner Piston Kit is designed to maximize your engine's efficiency and longevity. Featuring enhanced piston pin oiling slots, radial boss machining, and annular grooves, it provides superior wrist pin lubrication. The lightweight piston design, combined with a tight piston wall clearance, ensures quieter engine operation. The skirt coating reduces friction and promotes efficient break-in, while the ring land treatment improves ring seal and oil control. Where applicable, the double-bridged forging design adds extra strength and durability. This kit includes everything needed for a complete piston replacement: the piston, rings, wrist pin, and pin locks. Increase horsepower and torque with this premium piston kit designed for the serious enthusiast.

Features & highlights

• Enhanced piston pin oiling for superior wrist pin lubrication.
• Lightweight piston design ensures quieter engine operation.
• Skirt coating reduces friction and improves break-in performance.
• Ring land treatment improves ring seal and oil control.
• Forged aluminum alloy construction for maximum strength and durability.
• Complete kit includes piston, rings, wrist pin, and pin locks.

Technical specifications

• Brand: Wossner
• Product Name: Piston Kit
• Engine Type: 4-Stroke
• Piston Material: Forged Aluminum Alloy
• Bore Size: 90.00 mm
• Piston Size: 89.94 mm
• Stroke Length: 62.60 mm
• Compression Ratio: 12.2:1
• Bore - Oversize: Standard
• Vendor Part Number: 8563DA

Important to know

Ensure proper installation by a qualified technician. Verify piston-to-valve clearance and squish band during installation. Follow manufacturer's recommended break-in procedure.

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