PISTON KIT VERTEX 77.0 B GP YAMAHA YZ 250 08-13, VERTEX 23738B HC COMPR 14,2:1 GP RACERS CHOICE
PISTON KIT VERTEX 23738B HC COMPR 14,2:1 GP RACERS CHOICE. Bore size 77.00mm. 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. Standard pistons and components are OEM replacements. Fitted in many OEM bikes as standard. Replacement parts include Rings set (590277000002), Pin (711195), and Clips (72055). Cross reference numbers: Piston (Std) 17D-11631-90-00, Piston Ring Set (Std) 17D-11603-00-00, Pin, Piston 17D-11633-00-00, Circlip 93450-17129-00.
- SKU
- 23738B
- Brand
- Vertex
- Availability
- Out of Stock
FULL DESCRIPTION
Vertex Piston Kit - GP Racer's Choice
This Vertex piston kit is designed for high-performance applications, offering a 14.2:1 compression ratio for GP racers. Vertex pistons are engineered with precision and quality, ensuring reliable performance for your motorcycle. All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability. This kit is a direct replacement for standard pistons and components, providing an OEM fit. It is manufactured in Italy, a testament to the brand's commitment to quality craftsmanship.
Key Features:
- High compression ratio: 14.2:1 for increased power output.
- Complete kit: Includes piston, rings, wrist pin, and circlips.
- Durable construction: Pistons are heat-treated with a T-5 or T-6 hardening and tempering cycle.
- OEM replacement quality: Standard pistons and components match original equipment specifications.
- Made in Italy: Ensures high manufacturing standards.
- Bore size: 77.00mm (Piston B: 76.96mm).
Included Components:
- Piston
- Rings
- Wrist Pin
- Circlips
Replacement Parts Available:
- Rings: 590277000002 SET
- Pin: 711195
- Clips: 72055
Cross Reference Numbers:
- Piston (Std): 17D-11631-90-00
- Piston Ring Set (Std): 17D-11603-00-00
- Pin, Piston: 17D-11633-00-00
- Circlip: 93450-17129-00


