Wiseco WK1317 Forged Piston Kit for Yamaha 700 Wave Runner / Raider / Pro VXR

The Wiseco WK1317 is a high-performance forged piston designed for Yamaha 700 Wave Runner, Raider, and Pro VXR personal watercraft engines. Wiseco's forged pistons are a trusted upgrade over OEM cast pistons, delivering superior strength and durability under the demanding conditions of marine two-stroke and four-stroke performance applications.

Key Features:

• Forged High-Silicon Aluminum Construction: Manufactured from low-expansion, high-silicon aluminum alloy for improved strength, reduced reciprocating weight, better heat transfer, and extended service life compared to OEM cast pistons.
• Diamond-Turned CNC Finish: Each piston is precision-machined on CNC turning centers with a diamond-turned finish, ensuring consistent sizing and a superior surface quality with zero tolerance variation.
• Universal Cylinder Compatibility: Engineered for use in cast iron, chrome, Nikasil, and boron composite cylinder bore compositions, allowing confident installation across a range of cylinder types.
• Oversize Availability: Available in a range of oversizes to restore worn cast iron lined cylinders to factory tolerances, and compatible with resleeved chrome, Nikasil, and boron composite cylinders.
• Computerized Manufacturing: Produced in Wiseco's state-of-the-art manufacturing facility, held to exacting standards for both high-performance racing and recreational use.

Wiseco has been a leader in forged piston technology for motorsport, powersports, and marine applications for decades. The WK1317 is built to deliver reliable performance in Yamaha 700-series PWC engines, whether for competitive racing or high-demand recreational riding.