ProX Piston Kit 94.95 mm for Yamaha WR426F and YZ426F (01.2427.A)

Upgrade your Yamaha WR426F or YZ426F engine with the PROX Piston Kit, part number 01.2427.A. This complete piston assembly is designed for dependable performance and includes the essential components needed for installation, making it a practical choice for engine rebuilding, maintenance, or performance-focused repairs.
The piston is precision machined on advanced CNC equipment to support accurate fitment and consistent operation. Its low-expansion, low-friction alloy helps promote smooth piston movement, reduce friction-related wear, and maintain reliable performance across demanding riding conditions. The 94.95 mm piston size is engineered for compatibility with select Yamaha 426F applications.
The PROX kit includes the piston, piston rings, wrist pin, and circlips, providing a coordinated set of components for a thorough service. Each part is selected to work together within the piston assembly, helping simplify installation and support dependable engine operation. Verify application details and engine specifications before installation to ensure proper compatibility with your motorcycle.
Designed for riders, technicians, and powersports enthusiasts, the PROX 01.2427.A Piston Kit offers quality construction and application-specific fitment for Yamaha WR426F and YZ426F models. Follow the manufacturer’s service procedures and use appropriate installation tools for best results.

Features:

• Application: Designed for select Yamaha WR426F and YZ426F models

• Piston Size: 94.95 mm

• Kit Contents: Includes piston, rings, wrist pin, and circlips

• Manufacturing: Precision machined on state-of-the-art CNC equipment

• Material: Low-expansion, low-friction alloy

• Brand: PROX

• Part Number: 01.2427.A

Ships from Parts Unlimited.