PISTON KIT VERTEX 97.0 D YAMAHA WR/YZ 450 14-18, VERTEX 23958D COMPR 12,5:1
Vertex Piston Kit 23958D. Bore size 97.00mm. Compression 12.5:1. 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. Replacement Parts: Rings 590397000003, Pin 715405, Clips 72074. Cross reference numbers: Piston Assy 1SL-116A0-00-00, Piston (Std) 1SL-11631-00-00, Piston Ring Set (Std) 33D-11603-00-00, Pin, Piston 33D-11633-00-00, Circlip 93450-19052-00.
- SKU
- 23958D
- Brand
- Vertex
- Availability
- In Stock (1)
FULL DESCRIPTION
Vertex Piston Kit - 12.5:1 Compression
This Vertex Piston Kit is designed to meet or exceed OEM specifications, providing a reliable replacement for your motorcycle's engine. Manufactured in Italy, Vertex pistons are engineered for performance and durability.
Key Features:
- Complete Kit: Includes piston, rings, wrist pin, and circlips for a full replacement.
- High Compression Ratio: Features a 12.5:1 compression ratio for enhanced power output.
- OEM Replacement: Standard pistons and components are designed to directly replace original equipment.
- Heat Treated: All pistons undergo a T-5 or T-6 hardening and tempering cycle for superior strength and longevity.
- Quality Construction: Made in Italy with precision engineering.
- Fitted as Standard: Used as original equipment on many bikes.
Specifications:
- Bore Size: 97.00mm (D 96.97mm)
Replacement Parts Available Separately:
- Rings: 590397000003
- Pin: 715405
- Clips: 72074


