PISTON KIT VERTEX 77.0 A YAMAHA YZ 250 08-13, VERTEX 23391A COMPR 13,5:1
VERTEX UK PISTON KIT 23391A. Compression ratio 13.5:1. Bore size 77.00mm [A 76.95mm]. 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. Replacement parts: Rings 590377000001 SET, Pin 715381, 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
- 23391A
- Brand
- Vertex
- Availability
- In Stock (3)
FULL DESCRIPTION
Vertex Piston Kit
This Vertex piston kit is designed as a high-quality replacement for your motorcycle's engine. Manufactured in Italy, Vertex pistons are fitted as standard equipment on many OEM bikes, ensuring reliability and performance.
Key Features:
- Complete kit includes piston, rings, wrist pin, and circlips.
- All pistons undergo a T-5 or T-6 hardening and tempering cycle for enhanced durability.
- Standard pistons and components are engineered to meet OEM specifications.
- Replacement rings are available for individual purchase.
Specifications:
- Bore Size: 77.00mm (A: 76.95mm)
- Compression Ratio: 13.5:1
Replacement Parts Available Separately:
- Rings: 590377000001 SET
- Pin: 715381
- 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


