PISTON KIT VERTEX 54.0 A YAMAHA YZ/WR 125 98-01, VERTEX 22520A
Vertex UK piston kit 22520A. All Vertex Pistons are OEM replacements. Kits include piston, rings, wrist pin, and circlips. All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle. Replacement rings are sold individually. Made in Italy. Fitted in many OEM bikes as standard. Bore size 54.00 [A 53.93mm]. Replacement parts: Rings 53010005400, Pin 711127, Clips 72071. Cross reference numbers: Piston (Std) UR 4XM-11631-20-D0 4XM-11631-30-D0, Piston (Std) UR 4XM-11631-20-C0 4XM-11631-30-C0, Piston (Std) UR 4XM-11631-20-B0 4XM-11631-30-B0, Piston (Std) UR 4XM-11631-20-A0 4XM-11631-20-A0, Ring, Piston 4JY-11611-00-00, Pin, Piston 4XM-11633-10-00, Circlip 93450-16068-00.
- SKU
- 22520A
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Piston Kit 54.00mm A
This Vertex Piston Kit is designed as an OEM replacement for specific motorcycle engines. Engineered for performance and durability, this kit ensures your engine runs smoothly and efficiently.
Key Features:
- Standard pistons and components designed to match OEM specifications.
- Complete kit includes piston, rings, wrist pin, and circlips for a full engine rebuild.
- All pistons undergo a T-5 or T-6 hardening and tempering heat treatment cycle for enhanced strength and longevity.
- Replacement rings are available for individual purchase, extending the life of your piston.
- Proudly made in Italy, ensuring high-quality manufacturing standards.
- Often fitted as original equipment (OE) on many motorcycles.
Specifications:
- Bore Size: 54.00mm (A - 53.93mm)


