PISTON KIT VERTEX 77.0 A HC YAMAHA YZ/WR 250 14-17, VERTEX 23924A HC COMPR 14,2:1
Vertex UK piston kit 23942A features high compression 14.2:1. 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 standard. Bore size is 77.00mm [A 76.95 mm]. Replacement parts include rings set 590277000005, pin 715380, and clips 72055. Cross reference numbers: Piston Assy 1SM-116A0-01-00, Piston (Std) 1SM-11631-01-00, Piston Ring Set (Std) 1SM-11603-00-00, Pin, Piston 1SM-11633-00-00, Circlip 93450-17129-00. Weight is 256 grams.
- SKU
- 23942A
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex High Compression Piston Kit 77.00mm
This Vertex piston kit is designed to meet or exceed Original Equipment Manufacturer (OEM) specifications, providing a reliable replacement for your motorcycle's piston. Engineered for enhanced performance, this kit features a high compression ratio.
All Vertex pistons undergo a T-5 or T-6 hardening and tempering cycle for superior durability and heat resistance. This kit includes all necessary components for installation.
Key Features:
- High Compression (HC) ratio for increased power output.
- Includes piston, rings, wrist pin, and circlips.
- All pistons are heat treated with a T-5 or T-6 hardening and tempering cycle.
- Standard bore size of 77.00mm (A 76.95 mm).
- Replacement rings are available separately.
- Made in Italy.
- Fitted as standard equipment in many OEM motorcycles.
Specifications:
- Bore Size: 77.00mm
- Compression Ratio: 14.2:1


