Prox Piston Kit 67.97mm D for Yamaha WR 250 Z YZ 250 1988-1998

Elevate your motorcycle's engine performance with the Prox Piston Kit 67.97mm D, engineered as a direct OEM replacement for Yamaha WR 250 Z and YZ 250 models from 1988 to 1998. This precision-crafted Prox Piston Kit 67.97mm ensures optimal power delivery and durability, making it an essential upgrade for serious riders.

Description

Designed and manufactured in Japan, this Prox Piston Kit offers unparalleled quality and reliability, meeting or exceeding OEM specifications. Each piston is cast from a high-silicon-content aluminum alloy, known for its exceptional strength and thermal stability, crucial for the demanding environment of a high-performance two-stroke engine. The advanced casting process ensures a lightweight yet robust component, reducing reciprocating mass for quicker throttle response and improved engine efficiency. Furthermore, every piston undergoes meticulous CNC-machining to extremely close tolerances, guaranteeing a perfect fit within your cylinder bore (67.97mm diameter) and minimizing friction. This precision engineering translates into consistent compression, reduced wear, and extended engine life for your Yamaha YZ 250 piston replacement or WR 250 Z piston. The complete kit provides everything you need for a thorough rebuild, including the piston, a high-quality ring kit, a durable wrist pin, and secure circlips, simplifying installation and ensuring a reliable, long-lasting repair or upgrade.

Features & Highlights

• OEM-Quality Replacement: Manufactured in Japan using advanced processes, this kit is designed to meet or surpass original equipment manufacturer specifications, ensuring reliable performance and a perfect fit for your Yamaha WR 250 Z or YZ 250.
• Premium High-Silicon Aluminum Alloy: Cast from a high-silicon-content aluminum alloy, the piston offers superior strength, excellent heat resistance, and reduced thermal expansion, contributing to increased durability and engine longevity.
• Precision CNC-Machined: Each piston is meticulously CNC-machined to extremely close tolerances, guaranteeing optimal bore alignment, minimal friction, and consistent compression for peak engine efficiency.
• Complete Kit for Easy Installation: The comprehensive kit includes the piston, a full ring kit, a robust wrist pin, and circlips, providing all necessary components for a hassle-free and complete top-end rebuild.
• Enhanced Engine Performance: By ensuring a precise fit and utilizing high-quality materials, this piston kit helps restore and even improve your engine's power delivery, throttle response, and overall reliability.

Technical Specifications

• Brand: Prox
• Product Type: Piston Kit
• Bore Diameter: 67.97mm (D size)
• Material: High-silicon-content aluminum alloy
• Fitment: Yamaha WR 250 Z (1988-1998), Yamaha YZ 250 (1988-1998)
• Kit Contents: Piston, Ring Kit, Wrist Pin, Circlips
• Manufacturing Origin: Japan
• EAN: 0193564274595