PISTON KIT VERTEX 54 A YAMAHA YZ/WR 125 98-01, VERTEX 22549A
PISTON KIT VERTEX 54 A. 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 [A 53.93mm]. 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
- 22549A
- Brand
- Vertex
- Availability
- Out of Stock
FULL DESCRIPTION
Vertex Piston Kit
This Vertex Piston Kit is designed as an OEM replacement part. It ensures your engine receives high-quality components for optimal performance. All Vertex pistons undergo a rigorous heat treatment process, utilizing a T-5 or T-6 hardening and tempering cycle for enhanced durability and reliability.
Key Features:
- Complete kit includes 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 available for individual purchase.
- Manufactured in Italy.
- Often fitted as standard equipment (STD) in many OEM motorcycles.
Specifications:
- Bore Size: 54.00mm (Nominal), 53.93mm (Actual)


