PISTON KIT VERTEX 80.0 A YAMAHA WR/YZ 250 05-14, VERTEX 23129A OS +3.00 BIG BORE COMPR 13,5:1
PISTON KIT VERTEX 23129A. Bore size 80.00mm, over size +3.00. Big Bore Compression 13.5:1. All Vertex Pistons Feature: 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. Replacement Parts: Rings set 590280000001, Pin 715381, Clips 72055. Cross reference numbers: Piston (Std) 5NL-11631-20-00, Piston Ring Set (Std) 5NL-11603-00-00, Pin, Piston 5NL-11633-00-00, Circlip 93420-16086-00. Weight 290g.
- SKU
- 23129A
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Piston Kit - Big Bore
Upgrade your motorcycle's performance with this high-quality Vertex Piston Kit. Designed for big bore applications, this kit offers enhanced power and efficiency.
Key Features:
- Big Bore Specification: Bore size of 80.00mm with an oversize of +3.00mm (79.96mm).
- High Compression Ratio: Features a compression ratio of 13.5:1 for increased power output.
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a full replacement.
- OEM Quality: Vertex pistons are fitted as standard equipment on many OEM bikes, ensuring top-tier quality and performance.
- Advanced Heat Treatment: All pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability and heat resistance.
- Made in Italy: Manufactured in Italy, renowned for precision engineering and quality craftsmanship.
Specifications:
- Bore Size: 80.00mm
- Oversize: +3.00mm
- Actual Bore: 79.96mm
- Compression Ratio: 13.5:1
Replacement Parts Included:
- Piston
- Rings
- Wrist Pin
- Circlips


