PISTON KIT VERTEX 54.0 B YAMAHA YZ/WR 125 98-01, VERTEX 22520B
Vertex UK piston kit 22520B. Standard pistons and components 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 STD. Bore size 54.00 (53.94mm). Replacement parts: Rings 53010005400, Pin 711127, Clips 72071. Cross reference numbers ONLY: 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-11631-30-A0, Ring, Piston 4JY-11611-00-00, Pin, Piston 4XM-11633-10-00, Circlip 93450-16068-00.
- SKU
- 22520B
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Piston Kit 54.0 B
This Vertex Piston Kit is designed to provide reliable replacements for standard pistons. Engineered for performance and durability, this kit is manufactured in Italy and is a trusted component fitted in many OEM bikes as standard.
Key Features:
- Standard pistons and components are OEM replacements.
- Kits include piston, rings, wrist pin, and circlips.
- All pistons undergo a T-5 or T-6 hardening and tempering heat treatment cycle.
- Replacement rings are available for individual purchase.
- Made in Italy.
- Fitted in many OEM bikes as standard equipment.
Specifications:
- Bore Size: 54.00 [B 53.94mm]
Replacement Parts Available Separately:
- Rings
- Pin
- Clips


